| Exchange |
City |
State |
County |
Carrier |
| 972-200 | Seagoville | TX | Dallas | BROADWING COMMUNICATIONS, LLC - TX |
| 972-201 | Dallas | TX | Dallas | MCI WORLDCOM COMMUNICATIONS, INC. - TX |
| 972-202 | Plano | TX | Collin | TELEPORT COMMUNICATIONS GROUP - DALLAS |
| 972-203 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-204 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-205 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-208 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-209 | Grand Prairie | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-212 | Plano | TX | Collin | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-213 | Grand Prairie | TX | Dallas | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
| 972-215 | Irving | TX | Dallas | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-216 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-217 | Desoto | TX | Dallas | SOUTHWESTERN BELL |
| 972-218 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-219 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-220 | Dallas | TX | Dallas | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-221 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-222 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-223 | Desoto | TX | Dallas | SOUTHWESTERN BELL |
| 972-224 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-225 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-226 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-227 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-228 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-229 | Grand Prairie | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-230 | Desoto | TX | Dallas | SOUTHWESTERN BELL |
| 972-231 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-232 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-233 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-234 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-235 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-236 | Carrollton | TX | Dallas | TELEPORT COMMUNICATIONS GROUP - DALLAS |
| 972-237 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-238 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-239 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-240 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-241 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-242 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-243 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-244 | Plano | TX | Collin | AT&T LOCAL |
| 972-245 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-246 | Dallas | TX | Dallas | AT&T LOCAL |
| 972-247 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-248 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-250 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-252 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-253 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-254 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-255 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-257 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-258 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-259 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-262 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-264 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-265 | Plano | TX | Collin | TIME WARNER COMMUNICATIONS AXS OF AUSTIN |
| 972-266 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-267 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-270 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-271 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-272 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-273 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-274 | Desoto | TX | Dallas | SOUTHWESTERN BELL |
| 972-275 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-276 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-277 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-278 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-279 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-280 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-281 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-282 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-283 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-284 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-285 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-286 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-287 | Seagoville | TX | Dallas | SOUTHWESTERN BELL |
| 972-288 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-289 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-290 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-291 | Cedar Hill | TX | Dallas | SOUTHWESTERN BELL |
| 972-292 | Frisco | TX | Collin | SOUTHWESTERN BELL |
| 972-293 | Cedar Hill | TX | Dallas | SOUTHWESTERN BELL |
| 972-294 | Frisco | TX | Collin | SOUTHWESTERN BELL |
| 972-295 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-296 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-297 | Grand Prairie | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-298 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-300 | Carrollton | TX | Dallas | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-301 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-303 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-304 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-305 | Grand Prairie | TX | Dallas | TELETOUCH COMMUNICATIONS, INC. |
| 972-306 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-307 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-308 | Dallas | TX | Dallas | SBC INTERNET SERVICES, INC. |
| 972-309 | Plano | TX | Collin | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-312 | Plano | TX | Collin | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-313 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-314 | Grand Prairie | TX | Dallas | LOGIX COMMUNICATIONS CORPORATION - TX |
| 972-315 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-317 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-323 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-325 | Seagoville | TX | Dallas | BROADWING COMMUNICATIONS, LLC - TX |
| 972-329 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-331 | Dallas | TX | Dallas | LOGIX COMMUNICATIONS CORPORATION - TX |
| 972-332 | Allen | TX | Collin | AT&T LOCAL |
| 972-334 | Frisco | TX | Collin | SOUTHWESTERN BELL |
| 972-335 | Frisco | TX | Collin | SOUTHWESTERN BELL |
| 972-338 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-340 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-341 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-343 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-344 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-347 | Prosper | TX | Collin | SOUTHWESTERN BELL |
| 972-348 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-349 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-350 | Lewisville | TX | Denton | TIME WARNER COMMUNICATIONS AXS OF AUSTIN |
| 972-352 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-353 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-354 | Dallas | TX | Dallas | ICG CHOICE COM, L.P. - TX |
| 972-355 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-356 | Grand Prairie | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-359 | Allen | TX | Collin | SOUTHWESTERN BELL |
| 972-360 | Carrollton | TX | Dallas | AT&T LOCAL |
| 972-361 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-362 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-363 | Mc Kinney | TX | Collin | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-364 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-366 | Venus | TX | Johnson | GTE-SW DBA VERIZON SW INC.-TX (CONTEL) |
| 972-367 | Dallas | TX | Dallas | MCI WORLDCOM COMMUNICATIONS, INC. - TX |
| 972-368 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-369 | Mc Kinney | TX | Collin | SOUTHWESTERN BELL |
| 972-370 | Frisco | TX | Collin | SOUTHWESTERN BELL |
| 972-371 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-372 | Plano | TX | Collin | MCI WORLDCOM COMMUNICATIONS, INC. - TX |
| 972-373 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-374 | Irving | TX | Dallas | MCI WORLDCOM COMMUNICATIONS, INC. - TX |
| 972-375 | Grand Prairie | TX | Dallas | MCI WORLDCOM COMMUNICATIONS, INC. - TX |
| 972-376 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-377 | Frisco | TX | Collin | SOUTHWESTERN BELL |
| 972-378 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-379 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-380 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-381 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-382 | Celina | TX | Collin | SOUTHWESTERN BELL |
| 972-383 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-384 | Plano | TX | Collin | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-385 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-386 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-387 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-388 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-389 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-390 | Allen | TX | Collin | SOUTHWESTERN BELL |
| 972-391 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-392 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-393 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-394 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-395 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-396 | Allen | TX | Collin | SOUTHWESTERN BELL |
| 972-398 | Plano | TX | Collin | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-401 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-402 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-403 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-404 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-405 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-406 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-407 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-408 | Grand Prairie | TX | Dallas | ALLEGIANCE TELECOM, INC. - TX |
| 972-409 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-410 | Lewisville | TX | Denton | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-412 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-414 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-416 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-417 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-418 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-419 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-420 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-421 | Dallas | TX | Dallas | TW TELECOM OF TEXAS LLC - TX |
| 972-422 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-423 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-424 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-426 | Dallas | TX | Dallas | TIME WARNER COMMUNICATIONS AXS OF AUSTIN |
| 972-428 | Carrollton | TX | Dallas | TIME WARNER COMMUNICATIONS AXS OF AUSTIN |
| 972-429 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-431 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-432 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-435 | Maypearl | TX | Ellis | GTE-SW DBA VERIZON SW INC.-TX (CONTEL) |
| 972-436 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-437 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-438 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-439 | Mc Kinney | TX | Collin | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-442 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-443 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-444 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-446 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-447 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-448 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-449 | Palmer | TX | Ellis | GTE-SW DBA VERIZON SW INC.-TX (CONTEL) |
| 972-450 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-451 | Grand Prairie | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-452 | Scurry | TX | Kaufman | TEXAS WINDSTREAM, INC. |
| 972-454 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-455 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-456 | Dallas | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-457 | Irving | TX | Dallas | CBEYOND COMMUNICATIONS OF TEXAS, LP-TX |
| 972-458 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-459 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-460 | Cedar Hill | TX | Dallas | LOGIX COMMUNICATIONS CORPORATION - TX |
| 972-461 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-462 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-463 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-464 | Frisco | TX | Collin | TIME WARNER COMMUNICATIONS AXS OF AUSTIN |
| 972-466 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-468 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-470 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-472 | Crandall | TX | Kaufman | SOUTHWESTERN BELL |
| 972-473 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-474 | Seagoville | TX | Dallas | SOUTHWESTERN BELL |
| 972-475 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-477 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-478 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-479 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-480 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-481 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-483 | Italy | TX | Ellis | SOUTHWESTERN BELL |
| 972-484 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-485 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-486 | Scurry | TX | Kaufman | TEXAS WINDSTREAM, INC. |
| 972-487 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-488 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-490 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-491 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-492 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-493 | Milford | TX | Ellis | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW |
| 972-494 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-495 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-496 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-497 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-498 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-499 | Dallas | TX | Dallas | GLOBAL CROSSING LOCAL SERVICES, INC.-TX |
| 972-500 | Irving | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-501 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-502 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-503 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-504 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-505 | Irving | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-506 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-508 | Prosper | TX | Collin | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-509 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-510 | Irving | TX | Dallas | AT&T LOCAL |
| 972-512 | Carrollton | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-513 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-515 | Red Oak | TX | Ellis | SOUTHWESTERN BELL |
| 972-516 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-517 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-518 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-519 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-521 | Allen | TX | Collin | TIME WARNER COMMUNICATIONS AXS OF AUSTIN |
| 972-522 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-525 | Wilmer | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX (CONTEL) |
| 972-526 | Plano | TX | Collin | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-527 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-528 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-530 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-531 | Plano | TX | Collin | AT&T LOCAL |
| 972-532 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-534 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-535 | Plano | TX | Collin | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-536 | Irving | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-537 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-538 | Lewisville | TX | Denton | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-539 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-540 | Mc Kinney | TX | Collin | SOUTHWESTERN BELL |
| 972-541 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-542 | Mc Kinney | TX | Collin | SOUTHWESTERN BELL |
| 972-543 | Plano | TX | Collin | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-544 | Ferris | TX | Ellis | GTE-SW DBA VERIZON SW INC.-TX (CONTEL) |
| 972-546 | Dallas | TX | Dallas | GLOBAL CROSSING LOCAL SERVICES, INC.-TX |
| 972-547 | Mc Kinney | TX | Collin | SOUTHWESTERN BELL |
| 972-548 | Mc Kinney | TX | Collin | SOUTHWESTERN BELL |
| 972-550 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-551 | Terrell | TX | Kaufman | SOUTHWESTERN BELL |
| 972-552 | Forney | TX | Kaufman | SOUTHWESTERN BELL |
| 972-553 | Plano | TX | Collin | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-554 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-556 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-557 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-559 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-560 | Dallas | TX | Dallas | MCI WORLDCOM COMMUNICATIONS, INC. - TX |
| 972-561 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-563 | Terrell | TX | Kaufman | SOUTHWESTERN BELL |
| 972-566 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-570 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-572 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-575 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-576 | Red Oak | TX | Ellis | SOUTHWESTERN BELL |
| 972-577 | Plano | TX | Collin | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-578 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-579 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-580 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-581 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-582 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-583 | Dallas | TX | Dallas | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-584 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-587 | Dallas | TX | Dallas | TELEPORT COMMUNICATIONS GROUP - DALLAS |
| 972-588 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-589 | Grand Prairie | TX | Dallas | SPRINT SPECTRUM L.P. |
| 972-590 | Dallas | TX | Dallas | TW TELECOM OF TEXAS LLC - TX |
| 972-591 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-592 | Irving | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-593 | Irving | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-594 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-595 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-596 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-597 | Italy | TX | Ellis | LEVEL 3 COMMUNICATIONS, LLC - TX |
| 972-598 | Dallas | TX | Dallas | TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL |
| 972-599 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-600 | Irving | TX | Dallas | BROADVOX-CLEC, LLC - TX |
| 972-602 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-603 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-604 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-605 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-606 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-607 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-608 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-609 | Grand Prairie | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-612 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-613 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-616 | Dallas | TX | Dallas | TW TELECOM OF TEXAS LLC - TX |
| 972-618 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-619 | Dallas | TX | Dallas | TELEPORT COMMUNICATIONS GROUP - DALLAS |
| 972-620 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-623 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-624 | Frisco | TX | Collin | SOUTHWESTERN BELL |
| 972-625 | Frisco | TX | Collin | SOUTHWESTERN BELL |
| 972-627 | Avalon | TX | Ellis | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW |
| 972-628 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-629 | Dallas | TX | Dallas | TELEPORT COMMUNICATIONS GROUP - DALLAS |
| 972-630 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-633 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-635 | Royse City | TX | Rockwall | SOUTHWESTERN BELL |
| 972-637 | Cedar Hill | TX | Dallas | TIME WARNER COMMUNICATIONS AXS OF AUSTIN |
| 972-638 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-640 | Grand Prairie | TX | Dallas | MULTI-CHANNEL SYS |
| 972-641 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-642 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-643 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-644 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-645 | Grand Prairie | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-646 | Bardwell | TX | Ellis | GTE-SW DBA VERIZON SW INC.-TX (CONTEL) |
| 972-649 | Allen | TX | Collin | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-650 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-651 | Rockwall | TX | Rockwall | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-652 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-653 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-654 | Plano | TX | Collin | 2ND CENTURY COMMUNICATIONS, INC. - TX |
| 972-655 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-656 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-657 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-659 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-660 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-661 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-662 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-663 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-664 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-665 | Plano | TX | Collin | ALLEGIANCE TELECOM, INC. - TX |
| 972-666 | Ennis | TX | Ellis | GTE-SW DBA VERIZON SW INC.-TX (CONTEL) |
| 972-667 | Grand Prairie | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-668 | Frisco | TX | Collin | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-669 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-670 | Grand Prairie | TX | Dallas | SPRINT SPECTRUM L.P. |
| 972-671 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-673 | Plano | TX | Collin | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-674 | Dallas | TX | Dallas | BROOKS FIBER PROPERTIES OF TEXAS - TX |
| 972-675 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-676 | Dallas | TX | Dallas | BROOKS FIBER PROPERTIES OF TEXAS - TX |
| 972-677 | Dallas | TX | Dallas | TELEPORT COMMUNICATIONS GROUP - DALLAS |
| 972-678 | Allen | TX | Collin | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-680 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-681 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-682 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-683 | Mc Kinney | TX | Collin | SOUTHWESTERN BELL |
| 972-684 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-685 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-686 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-687 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-688 | Arlington | TX | Tarrant | PRISM OPERATIONS, LLC - TX |
| 972-690 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-691 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-692 | Dallas | TX | Dallas | XO TEXAS, INC. |
| 972-694 | Josephine | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX (CONTEL) |
| 972-695 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-696 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-697 | Grand Prairie | TX | Dallas | AT&T LOCAL |
| 972-698 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-699 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-701 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-702 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-704 | Frisco | TX | Collin | SOUTHWESTERN BELL |
| 972-705 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-706 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-707 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-708 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-709 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-712 | Frisco | TX | Collin | SOUTHWESTERN BELL |
| 972-713 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-714 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-715 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-716 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-717 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-719 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-720 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-721 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-722 | Rockwall | TX | Rockwall | SOUTHWESTERN BELL |
| 972-725 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-726 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-727 | Allen | TX | Collin | SOUTHWESTERN BELL |
| 972-728 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-729 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-730 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-731 | Frisco | TX | Collin | SOUTHWESTERN BELL |
| 972-732 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-733 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-735 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-736 | Princeton | TX | Collin | SOUTHWESTERN BELL |
| 972-737 | Allen | TX | Collin | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-738 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-739 | Dallas | TX | Dallas | XO TEXAS, INC. |
| 972-744 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-745 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-746 | Irving | TX | Dallas | LEVEL 3 COMMUNICATIONS, LLC - TX |
| 972-747 | Allen | TX | Collin | SOUTHWESTERN BELL |
| 972-748 | Desoto | TX | Dallas | TIME WARNER COMMUNICATIONS AXS OF AUSTIN |
| 972-749 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-750 | Terrell | TX | Kaufman | AT&T LOCAL |
| 972-752 | Blue Ridge | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX (CONTEL) |
| 972-753 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-755 | Dallas | TX | Dallas | IONEX COMMUNICATIONS SOUTH, INC. - TX |
| 972-756 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-758 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-759 | Dallas | TX | Dallas | ALLEGIANCE TELECOM, INC. - TX |
| 972-761 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-763 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-764 | Dallas | TX | Dallas | TELEPORT COMMUNICATIONS GROUP - DALLAS |
| 972-765 | Cedar Hill | TX | Dallas | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 972-766 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-767 | Plano | TX | Collin | XO TEXAS, INC. |
| 972-769 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-770 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-771 | Rockwall | TX | Rockwall | SOUTHWESTERN BELL |
| 972-772 | Rockwall | TX | Rockwall | SOUTHWESTERN BELL |
| 972-773 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-774 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-775 | Midlothian | TX | Ellis | SOUTHWESTERN BELL |
| 972-776 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-778 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-780 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-781 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-782 | Farmersville | TX | Collin | SOUTHWESTERN BELL |
| 972-783 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-785 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-786 | Irving | TX | Dallas | TW TELECOM OF TEXAS LLC - TX |
| 972-788 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-789 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-790 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-792 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-793 | Irving | TX | Dallas | BROOKS FIBER PROPERTIES OF TEXAS - TX |
| 972-794 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-795 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-796 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-797 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-798 | Carrollton | TX | Dallas | GLOBAL CROSSING LOCAL SERVICES, INC.-TX |
| 972-801 | Plano | TX | Collin | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-802 | Grand Prairie | TX | Dallas | SPRINT SPECTRUM L.P. |
| 972-803 | Dallas | TX | Dallas | BROOKS FIBER PROPERTIES OF TEXAS - TX |
| 972-805 | Plano | TX | Collin | GLOBAL CROSSING LOCAL SERVICES, INC.-TX |
| 972-807 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-808 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-809 | Grand Prairie | TX | Dallas | TELEPORT COMMUNICATIONS GROUP - DALLAS |
| 972-810 | Carrollton | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-812 | Irving | TX | Dallas | LOGIX COMMUNICATIONS CORPORATION - TX |
| 972-813 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-815 | Irving | TX | Dallas | MCI WORLDCOM COMMUNICATIONS, INC. - TX |
| 972-818 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-819 | Irving | TX | Dallas | TELEPORT COMMUNICATIONS GROUP - DALLAS |
| 972-820 | Carrollton | TX | Dallas | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-821 | Irving | TX | Dallas | PG TELECOM OF TEXAS INC. - TX |
| 972-823 | Irving | TX | Dallas | LOGIX COMMUNICATIONS CORPORATION - TX |
| 972-825 | Waxahachie | TX | Ellis | SOUTHWESTERN BELL |
| 972-826 | Plano | TX | Collin | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-827 | Irving | TX | Dallas | ALLEGIANCE TELECOM, INC. - TX |
| 972-828 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-829 | Lewisville | TX | Denton | GLOBAL CROSSING LOCAL SERVICES, INC.-TX |
| 972-830 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-831 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-833 | Ferris | TX | Ellis | GLOBAL CROSSING LOCAL SERVICES, INC.-TX |
| 972-836 | Plano | TX | Collin | BROOKS FIBER PROPERTIES OF TEXAS - TX |
| 972-837 | Mc Kinney | TX | Collin | SOUTHWESTERN BELL |
| 972-840 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-844 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-847 | Dallas | TX | Dallas | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-848 | Wilmer | TX | Dallas | ONVOY, INC. - TX |
| 972-850 | Dallas | TX | Dallas | BROADWING COMMUNICATIONS, LLC - TX |
| 972-851 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-852 | Dallas | TX | Dallas | ALLEGIANCE TELECOM, INC. - TX |
| 972-853 | Nevada | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX (CONTEL) |
| 972-854 | Grand Prairie | TX | Dallas | TIME WARNER COMMUNICATIONS AXS OF AUSTIN |
| 972-855 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-856 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-857 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-858 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-860 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-861 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-862 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-863 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-864 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-865 | Dallas | TX | Dallas | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-866 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-867 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-868 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-869 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-870 | Irving | TX | Dallas | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-871 | Irving | TX | Dallas | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-872 | Ennis | TX | Ellis | SOUTHWESTERN BELL |
| 972-874 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-875 | Ennis | TX | Ellis | SOUTHWESTERN BELL |
| 972-877 | Grand Prairie | TX | Dallas | SPRINT SPECTRUM L.P. |
| 972-880 | Grand Prairie | TX | Dallas | SPRINT SPECTRUM L.P. |
| 972-881 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-882 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-883 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-884 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-885 | Dallas | TX | Dallas | 365 WIRELESS, LLC |
| 972-886 | Mc Kinney | TX | Collin | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-887 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-888 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-889 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-890 | Grand Prairie | TX | Dallas | MCI WORLDCOM COMMUNICATIONS, INC. - TX |
| 972-891 | Irving | TX | Dallas | MCI WORLDCOM COMMUNICATIONS, INC. - TX |
| 972-892 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-893 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-894 | Irving | TX | Dallas | TW TELECOM OF TEXAS LLC - TX |
| 972-895 | Ennis | TX | Ellis | ONVOY, INC. - TX |
| 972-899 | Lewisville | TX | Denton | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-902 | Grand Prairie | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-905 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-906 | Lewisville | TX | Denton | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-907 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-908 | Allen | TX | Collin | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-909 | Grand Prairie | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-910 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-912 | Allen | TX | Collin | GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
| 972-913 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-914 | Nevada | TX | Collin | LEVEL 3 COMMUNICATIONS, LLC - TX |
| 972-915 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-917 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-918 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-919 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-920 | Desoto | TX | Dallas | LOGIX COMMUNICATIONS CORPORATION - TX |
| 972-923 | Waxahachie | TX | Ellis | SOUTHWESTERN BELL |
| 972-924 | Anna | TX | Collin | SOUTHWESTERN BELL |
| 972-925 | Dallas | TX | Dallas | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-926 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-927 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-928 | Grand Prairie | TX | Dallas | STAR NET PAGING, INC. |
| 972-929 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-930 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-931 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-932 | Kaufman | TX | Kaufman | UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK |
| 972-934 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-937 | Waxahachie | TX | Ellis | SOUTHWESTERN BELL |
| 972-939 | Carrollton | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-941 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-942 | Grand Prairie | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-943 | Plano | TX | Collin | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-944 | Grand Prairie | TX | Dallas | USA MOBILITY WIRELESS, INC. |
| 972-946 | Grand Prairie | TX | Dallas | SOUTHWESTERN BELL |
| 972-947 | Dallas | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-952 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-954 | Allen | TX | Collin | IONEX COMMUNICATIONS SOUTH, INC. - TX |
| 972-956 | Lewisville | TX | Denton | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-960 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-961 | Rockwall | TX | Rockwall | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-963 | Frisco | TX | Collin | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-964 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-966 | Lewisville | TX | Denton | GTE-SW DBA VERIZON SW INC.-TX |
| 972-968 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-969 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-970 | Irving | TX | Dallas | METROTEL |
| 972-980 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-981 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-982 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-983 | Irving | TX | Dallas | SOUTHWESTERN BELL TELEPHONE COMPANY - TX |
| 972-984 | Mc Kinney | TX | Collin | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 972-985 | Plano | TX | Collin | GTE-SW DBA VERIZON SW INC.-TX |
| 972-986 | Irving | TX | Dallas | GTE-SW DBA VERIZON SW INC.-TX |
| 972-987 | Frisco | TX | Collin | TELEPORT COMMUNICATIONS GROUP - DALLAS |
| 972-991 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-992 | Grand Prairie | TX | Dallas | GLOBAL CROSSING LOCAL SERVICES, INC.-TX |
| 972-993 | Dallas | TX | Dallas | ICG CHOICE COM, L.P. - TX |
| 972-994 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-995 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-996 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-997 | Dallas | TX | Dallas | SOUTHWESTERN BELL |
| 972-999 | Irving | TX | Dallas | GLOBAL CROSSING LOCAL SERVICES, INC.-TX |