| 1-484-200 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-201 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-202 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-203 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-204 | Lehigh | Allentown | Xo Communications Services Inc - Pa |
| 1-484-205 | Lehigh | Allentown | Cavalier Telephone Mid-atlantic, Llc - Pa |
| 1-484-206 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-207 | Philadelphia | Philadelphia | Netcarrier Telecom, Inc. - Pa |
| 1-484-208 | Lehigh | Allentown | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-209 | Philadelphia | Philadelphia | Global Naps - Pa |
| 1-484-210 | Lehigh | Allentown | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-211 | | | |
| 1-484-212 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-213 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-214 | Philadelphia | Philadelphia | Global Naps - Pa |
| 1-484-215 | | | |
| 1-484-216 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-217 | Berks | Kempton | Service Electric Telephone Company, Llc |
| 1-484-218 | Dauphin | Harrisburg | Bandwidth.com Clec, Llc - Pa |
| 1-484-219 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-220 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-221 | Philadelphia | Philadelphia | Netcarrier Telecom, Inc. - Pa |
| 1-484-222 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-223 | Philadelphia | Philadelphia | Choice One Communications, Inc. - Pa |
| 1-484-224 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-225 | Montgomery | Plymouth Meeting | Cellco Partnership Dba Verizon Wireless - Pa |
| 1-484-226 | Montgomery | Norristown | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-227 | Lehigh | Allentown | Xo Communications Services Inc - Pa |
| 1-484-228 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-229 | Philadelphia | Philadelphia | Global Naps - Pa |
| 1-484-230 | Delaware | Upper Darby | Verizon Pennsylvania, Inc. |
| 1-484-231 | Lehigh | Allentown | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-232 | Lehigh | Emmaus | Verizon North Inc.-pa (contel) |
| 1-484-233 | Lehigh | Allentown | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-234 | Bucks | Warminster | Cavalier Telephone Mid-atlantic, Llc - Pa |
| 1-484-235 | Bucks | Warminster | Cavalier Telephone Mid-atlantic, Llc - Pa |
| 1-484-236 | Philadelphia | Philadelphia | Core Communications, Inc. - Pa |
| 1-484-237 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-238 | Montgomery | Norristown | Verizon Pennsylvania, Inc. |
| 1-484-239 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-240 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-241 | Montgomery | Plymouth Meeting | Cellco Partnership Dba Verizon Wireless - Pa |
| 1-484-242 | Lehigh | Bethlehem | Verizon Pennsylvania, Inc. |
| 1-484-243 | Delaware | Wayne | Tcg New Jersey, Inc. - Pa |
| 1-484-244 | Philadelphia | Philadelphia | Xo Communications Services Inc - Pa |
| 1-484-245 | Philadelphia | Philadelphia | Choice One Communications, Inc. - Pa |
| 1-484-246 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-247 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-248 | Berks | Leesport | Commonwealth Telephone Company Llc |
| 1-484-249 | Philadelphia | Philadelphia | Global Naps - Pa |
| 1-484-250 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-251 | Bucks | Warminster | Cavalier Telephone Mid-atlantic, Llc - Pa |
| 1-484-252 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-253 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-254 | Delaware | Wayne | Tcg New Jersey, Inc. - Pa |
| 1-484-255 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-256 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-257 | Philadelphia | Philadelphia | Us Lec Of Pennsylvania, Inc. |
| 1-484-258 | Philadelphia | Philadelphia | Windstream D & E Systems, Inc. - Pa |
| 1-484-259 | Lehigh | Allentown | Paetec Communications, Inc. - Pa |
| 1-484-260 | Philadelphia | Philadelphia | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-261 | Philadelphia | Philadelphia | Global Naps - Pa |
| 1-484-262 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-263 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-264 | Montgomery | Norristown | New Cingular Wireless Pcs, Llc - Dc |
| 1-484-265 | Philadelphia | Philadelphia | Choice One Communications, Inc. - Pa |
| 1-484-266 | Philadelphia | Philadelphia | Comcast Phone Of Pennsylvania, Llc - Pa |
| 1-484-267 | | | |
| 1-484-268 | Montgomery | Plymouth Meeting | Omnipoint Communications Enterprises, L.p. |
| 1-484-269 | Montgomery | Plymouth Meeting | Cellco Partnership Dba Verizon Wireless - Pa |
| 1-484-270 | Philadelphia | Philadelphia | Us Lec Of Pennsylvania, Inc. |
| 1-484-271 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-272 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-273 | Montgomery | Norristown | Mci Worldcom Communications, Inc. - Pa |
| 1-484-274 | Montgomery | Norristown | New Cingular Wireless Pcs, Llc - Dc |
| 1-484-275 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-276 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-277 | Berks | Leesport | Commonwealth Telephone Company Llc |
| 1-484-278 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-279 | Philadelphia | Philadelphia | Global Naps - Pa |
| 1-484-280 | Montgomery | Plymouth Meeting | Cellco Partnership Dba Verizon Wireless - Pa |
| 1-484-281 | Northampton | Northampton | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-282 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-283 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-284 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-285 | Philadelphia | Philadelphia | Choice One Communications, Inc. - Pa |
| 1-484-286 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-287 | Northampton | Bath | Service Electric Telephone Company, Llc |
| 1-484-288 | Lehigh | Allentown | Atx Telecommunications Services, Ltd |
| 1-484-289 | Philadelphia | Philadelphia | Global Naps - Pa |
| 1-484-290 | Montgomery | Fort Washington | Tcg New Jersey, Inc. - Pa |
| 1-484-291 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-292 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-293 | Philadelphia | Philadelphia | Choice One Communications, Inc. - Pa |
| 1-484-294 | Montgomery | Plymouth Meeting | Cellco Partnership Dba Verizon Wireless - Pa |
| 1-484-295 | Philadelphia | Philadelphia | Core Communications, Inc. - Pa |
| 1-484-296 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-297 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-298 | Northampton | Nazareth | Service Electric Telephone Company, Llc |
| 1-484-299 | Philadelphia | Philadelphia | Global Naps - Pa |
| 1-484-300 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-301 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-302 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-303 | Lehigh | Allentown | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-304 | Philadelphia | Philadelphia | Core Communications, Inc. - Pa |
| 1-484-305 | Bucks | Upper Black Eddy | Service Electric Telephone Company, Llc |
| 1-484-306 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-307 | Lehigh | Allentown | Xo Communications Services Inc - Pa |
| 1-484-308 | Bucks | Riegelsville | Service Electric Telephone Company, Llc |
| 1-484-309 | Philadelphia | Philadelphia | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-310 | Philadelphia | Philadelphia | Global Naps - Pa |
| 1-484-311 | | | |
| 1-484-312 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-313 | Lehigh | Allentown | Netcarrier Telecom, Inc. - Pa |
| 1-484-314 | Philadelphia | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-315 | Lehigh | Allentown | Global Crossing Local Services, Inc.-pa |
| 1-484-316 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-317 | Philadelphia | Philadelphia | Core Communications, Inc. - Pa |
| 1-484-318 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-319 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-320 | Montgomery | King of Prussia | Mci Worldcom Communications, Inc. - Pa |
| 1-484-321 | Philadelphia | Philadelphia | Netcarrier Telecom, Inc. - Pa |
| 1-484-322 | Montgomery | Norristown | Verizon Pennsylvania, Inc. |
| 1-484-323 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-324 | Philadelphia | Philadelphia | Level 3 Communications, Llc - Pa |
| 1-484-325 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-326 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-327 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-328 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-329 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-330 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-331 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-332 | Montgomery | Plymouth Meeting | Cellco Partnership Dba Verizon Wireless - Pa |
| 1-484-333 | Berks | Boyertown | Limitless Mobile, Llc |
| 1-484-334 | Philadelphia | Philadelphia | Level 3 Communications, Llc - Pa |
| 1-484-335 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-336 | Montgomery | Norristown | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-337 | Lehigh | Allentown | Xo Communications Services Inc - Pa |
| 1-484-338 | Berks | Reading | Verizon Pennsylvania, Inc. |
| 1-484-339 | Philadelphia | Philadelphia | Global Naps - Pa |
| 1-484-340 | Montgomery | Norristown | Telcove Of Eastern Pennsylvania - Pa |
| 1-484-341 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-342 | Bucks | Warminster | Cavalier Telephone Mid-atlantic, Llc - Pa |
| 1-484-343 | Montgomery | Norristown | New Cingular Wireless Pcs, Llc - Dc |
| 1-484-344 | Montgomery | Conshohocken | Verizon Pennsylvania, Inc. |
| 1-484-345 | Montgomery | Plymouth Meeting | Cellco Partnership Dba Verizon Wireless - Pa |
| 1-484-346 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-347 | Montgomery | Norristown | Omnipoint Communications Enterprises, L.p. |
| 1-484-348 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-349 | Philadelphia | Philadelphia | Global Naps - Pa |
| 1-484-350 | Montgomery | Norristown | Omnipoint Communications Enterprises, L.p. |
| 1-484-351 | Philadelphia | Philadelphia | Allegiance Telecom Of Pennsylvania, Inc. |
| 1-484-352 | Bucks | Warminster | Cavalier Telephone Mid-atlantic, Llc - Pa |
| 1-484-353 | Montgomery | Norristown | Metro Pcs, Inc. |
| 1-484-354 | Montgomery | Norristown | New Cingular Wireless Pcs, Llc - Dc |
| 1-484-355 | Philadelphia | Philadelphia | Xo Communications Services Inc - Pa |
| 1-484-356 | New Castle | New Castle | Verizon Pennsylvania, Inc. |
| 1-484-357 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-358 | Montgomery | Norristown | Omnipoint Communications Enterprises, L.p. |
| 1-484-359 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-360 | Berks | Birdsboro | Windstream Conestoga, Inc. |
| 1-484-361 | Bucks | Warminster | Cavalier Telephone Mid-atlantic, Llc - Pa |
| 1-484-362 | Montgomery | Norristown | Level 3 Communications, Llc - Pa |
| 1-484-363 | Northampton | Northampton | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-364 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-365 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-366 | Montgomery | Norristown | New Cingular Wireless Pcs, Llc - Dc |
| 1-484-367 | Philadelphia | Philadelphia | Allegiance Telecom Of Pennsylvania, Inc. |
| 1-484-368 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-369 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-370 | Philadelphia | Philadelphia | Comcast Phone Of Pennsylvania, Llc - Pa |
| 1-484-371 | Philadelphia | Philadelphia | Level 3 Communications, Llc - Pa |
| 1-484-372 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-373 | Northampton | Easton | Verizon Pennsylvania, Inc. |
| 1-484-374 | Montgomery | Norristown | Ctsi, Inc. - Pa |
| 1-484-375 | Philadelphia | Philadelphia | Allegiance Telecom Of Pennsylvania, Inc. |
| 1-484-376 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-377 | Lehigh | Allentown | Xo Communications Services Inc - Pa |
| 1-484-378 | Montgomery | Norristown | Infinite Communication, Llc - Pa |
| 1-484-379 | Montgomery | Norristown | Neutral Tandem-pennsylvania, Llc - Pa |
| 1-484-380 | Philadelphia | Philadelphia | Netcarrier Telecom, Inc. - Pa |
| 1-484-381 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-382 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-383 | Philadelphia | Philadelphia | Level 3 Communications, Llc - Pa |
| 1-484-384 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-385 | Philadelphia | Philadelphia | Us Lec Of Pennsylvania, Inc. |
| 1-484-386 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-387 | Montgomery | Plymouth Meeting | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-388 | Montgomery | Plymouth Meeting | Cellco Partnership Dba Verizon Wireless - Pa |
| 1-484-389 | Bucks | Warminster | Cavalier Telephone Mid-atlantic, Llc - Pa |
| 1-484-390 | Philadelphia | Philadelphia | Netcarrier Telecom, Inc. - Pa |
| 1-484-391 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-392 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-393 | Northampton | Northampton | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-394 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-395 | Philadelphia | Philadelphia | Broadview Networks, Inc. - Pa |
| 1-484-396 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-397 | Lehigh | Allentown | Xo Communications Services Inc - Pa |
| 1-484-398 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-399 | Northampton | Northampton | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-400 | Berks | Boyertown | Limitless Mobile, Llc |
| 1-484-401 | Montgomery | Norristown | New Cingular Wireless Pcs, Llc - Dc |
| 1-484-402 | Philadelphia | Philadelphia | New Cingular Wireless Pcs, Llc - Dc |
| 1-484-403 | Montgomery | King of Prussia | Mci Worldcom Communications, Inc. - Pa |
| 1-484-404 | Philadelphia | Philadelphia | Core Communications, Inc. - Pa |
| 1-484-405 | Berks | Boyertown | Core Communications, Inc. - Pa |
| 1-484-406 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-407 | Philadelphia | Philadelphia | Core Communications, Inc. - Pa |
| 1-484-408 | Montgomery | Norristown | Bandwidth.com Clec, Llc - Pa |
| 1-484-409 | Philadelphia | Philadelphia | Global Naps - Pa |
| 1-484-410 | Philadelphia | Philadelphia | Sprint Spectrum L.p. |
| 1-484-412 | Philadelphia | Philadelphia | Us Lec Of Pennsylvania, Inc. |
| 1-484-413 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-414 | Lehigh | Allentown | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-415 | Philadelphia | Philadelphia | Comcast Phone Of Pennsylvania, Llc - Pa |
| 1-484-416 | Philadelphia | Philadelphia | Netcarrier Telecom, Inc. - Pa |
| 1-484-417 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-418 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-419 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-420 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-421 | Lehigh | Allentown | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-422 | Delaware | Newtown Square | Netcarrier Telecom, Inc. - Pa |
| 1-484-423 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-424 | Philadelphia | Philadelphia | Us Lec Of Pennsylvania, Inc. |
| 1-484-425 | Montgomery | Norristown | Cellco Partnership Dba Verizon Wireless - Pa |
| 1-484-426 | Philadelphia | Philadelphia | Xo Communications Services Inc - Pa |
| 1-484-427 | Philadelphia | Philadelphia | Level 3 Communications, Llc - Pa |
| 1-484-428 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-429 | Philadelphia | Philadelphia | Netcarrier Telecom, Inc. - Pa |
| 1-484-430 | Philadelphia | Philadelphia | Mci Worldcom Communications, Inc. - Pa |
| 1-484-431 | Montgomery | Norristown | New Cingular Wireless Pcs, Llc - Dc |
| 1-484-432 | Montgomery | Norristown | New Cingular Wireless Pcs, Llc - Dc |
| 1-484-433 | Montgomery | Norristown | New Cingular Wireless Pcs, Llc - Dc |
| 1-484-434 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-435 | Philadelphia | Philadelphia | Neutral Tandem-pennsylvania, Llc - Pa |
| 1-484-436 | Philadelphia | Philadelphia | Level 3 Communications, Llc - Pa |
| 1-484-437 | Montgomery | Norristown | New Cingular Wireless Pcs, Llc - Dc |
| 1-484-438 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-439 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-440 | Northampton | Northampton | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-441 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-442 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-443 | Philadelphia | Philadelphia | Level 3 Communications, Llc - Pa |
| 1-484-444 | Delaware | Media | Verizon Pennsylvania, Inc. |
| 1-484-445 | Philadelphia | Philadelphia | Netcarrier Telecom, Inc. - Pa |
| 1-484-446 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-447 | Montgomery | Norristown | Cellco Partnership Dba Verizon Wireless - Pa |
| 1-484-448 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-449 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-450 | Lehigh | Allentown | Xo Communications Services Inc - Pa |
| 1-484-451 | Philadelphia | Philadelphia | Us Lec Of Pennsylvania, Inc. |
| 1-484-452 | Northampton | Northampton | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-453 | Philadelphia | Philadelphia | Netcarrier Telecom, Inc. - Pa |
| 1-484-454 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-455 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-456 | Montgomery | Norristown | Level 3 Communications, Llc - Pa |
| 1-484-457 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-458 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-459 | New Castle | New Castle | Cellco Partnership Dba Verizon Wireless - Pa |
| 1-484-460 | | | |
| 1-484-461 | Northampton | Northampton | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-462 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-463 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-464 | Luzerne | Wilkes Barre | Level 3 Communications, Llc - Pa |
| 1-484-465 | Lehigh | Allentown | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-466 | Philadelphia | Philadelphia | Netcarrier Telecom, Inc. - Pa |
| 1-484-467 | Montgomery | Norristown | New Cingular Wireless Pcs, Llc - Dc |
| 1-484-468 | Philadelphia | Philadelphia | Us Lec Of Pennsylvania, Inc. |
| 1-484-469 | Philadelphia | Philadelphia | Atx Telecommunications Services, Ltd |
| 1-484-470 | Montgomery | Norristown | Netcarrier Telecom, Inc. - Pa |
| 1-484-471 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-472 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-473 | Philadelphia | Philadelphia | 365 Wireless, Llc |
| 1-484-474 | Northampton | Northampton | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-475 | Montgomery | Fort Washington | Broadwing Communications, Llc - Pa |
| 1-484-476 | Lehigh | Allentown | Xo Communications Services Inc - Pa |
| 1-484-477 | Montgomery | Norristown | Level 3 Communications, Llc - Pa |
| 1-484-478 | Northampton | Northampton | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-479 | Montgomery | Norristown | Paetec Communications, Inc. - Pa |
| 1-484-480 | Philadelphia | Philadelphia | Netcarrier Telecom, Inc. - Pa |
| 1-484-481 | Philadelphia | Philadelphia | Wide Voice, Llc - Pa |
| 1-484-482 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-483 | Philadelphia | Philadelphia | Level 3 Communications, Llc - Pa |
| 1-484-484 | Montgomery | Norristown | Neutral Tandem-pennsylvania, Llc - Pa |
| 1-484-485 | Northampton | Northampton | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-486 | New Castle | Newark | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-487 | Northampton | Northampton | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-488 | Philadelphia | Philadelphia | Tcg New Jersey, Inc. - Pa |
| 1-484-489 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-490 | Philadelphia | Philadelphia | Us Lec Of Pennsylvania, Inc. |
| 1-484-491 | Philadelphia | Philadelphia | Core Communications, Inc. - Pa |
| 1-484-492 | Lehigh | Allentown | Cavalier Telephone, Llc (mid-atlantic) - Pa |
| 1-484-493 | Philadelphia | Philadelphia | Global Crossing Local Services, Inc.-pa |
| 1-484-494 | Northampton | Northampton | Rcn Telecom Service Of Pennsylvania, Inc. |
| 1-484-495 | | | |
| 1-484-496 | Philadelphia | Philadelphia | Paetec Communications, Inc. - Pa |
| 1-484-497 | Philadelphia | Philadelphia | Netcarrier Telecom, Inc. - Pa |
| 1-484-498 | Philadelphia | Philadelphia | Us Lec Of Pennsylvania, Inc. |
| 1-484-499 | Lehigh | Coopersburg | Commonwealth Telephone Company Llc |
| 1-484-500 | Philadelphia | Philadelphia | Voxbeam Telecommunications Inc. - Pa |
