| 412-200 | Pittsburgh | At&t Local |
| 412-201 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-202 | Pittsburgh | Xo Communications Services Inc - Pa |
| 412-203 | Pittsburgh | Telcove Of Pennsylvania, Inc. - Pa |
| 412-204 | Pittsburgh | Us Lec Of Pennsylvania, Inc. |
| 412-205 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-206 | Pittsburgh | Choice One Communications, Inc. - Pa |
| 412-207 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-208 | Pittsburgh | Intermedia Communications Inc. - Pa |
| 412-209 | Pittsburgh | Intermedia Communications Inc. - Pa |
| 412-212 | Pittsburgh | Telcove Of Pennsylvania, Inc. - Pa |
| 412-213 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-215 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-216 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-217 | Pittsburgh | New Cingular Wireless Pcs, Llc - Il |
| 412-218 | Pittsburgh | Aerial Communications |
| 412-219 | Pittsburgh | Us Lec Of Pennsylvania, Inc. |
| 412-220 | Bridgeville | Verizon Pennsylvania, Inc. |
| 412-221 | Bridgeville | Verizon Pennsylvania, Inc. |
| 412-222 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-223 | Pittsburgh | Core Communications, Inc. - Pa |
| 412-224 | Pittsburgh | Consolidated Communications Enterprise Services-pa |
| 412-225 | Pittsburgh | New Cingular Wireless Pcs, Llc - Il |
| 412-226 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-227 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-228 | Pittsburgh | Citynet Pennsylvania, Llc - Pa |
| 412-229 | Pittsburgh | Us Lec Of Pennsylvania, Inc. |
| 412-230 | Pittsburgh | New Cingular Wireless Pcs, Llc - Il |
| 412-231 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-232 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-233 | Clairton | Verizon Pennsylvania, Inc. |
| 412-234 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-235 | Pittsburgh | Global Crossing Local Services, Inc.-pa |
| 412-236 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-237 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-238 | Pittsburgh | Global Crossing Local Services, Inc.-pa |
| 412-240 | Pittsburgh | American Messaging Services, Llc |
| 412-241 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-242 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-243 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-244 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-245 | Pittsburgh | Telcove Of Pennsylvania, Inc. - Pa |
| 412-246 | Pittsburgh | Choice One Communications, Inc. - Pa |
| 412-247 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-248 | Pittsburgh | Full Service Computing Corporation Pa |
| 412-249 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-250 | Pittsburgh | Us Lec Of Pennsylvania, Inc. |
| 412-251 | Pittsburgh | Comcast Phone Of Pennsylvania, Llc - Pa |
| 412-252 | Bridgeville | Teleport Communications America, Llc - Pa |
| 412-253 | Pittsburgh | Paetec Communications, Inc. - Pa |
| 412-254 | Pittsburgh | Intermedia Communications Inc. - Pa |
| 412-255 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-256 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-257 | Bridgeville | Verizon Pennsylvania, Inc. |
| 412-258 | Pittsburgh | Intermedia Communications Inc. - Pa |
| 412-259 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-260 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-261 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-262 | Coraopolis | Verizon Pennsylvania, Inc. |
| 412-263 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-264 | Coraopolis | Verizon Pennsylvania, Inc. |
| 412-265 | Pittsburgh | Level 3 Communications, Llc - Pa |
| 412-266 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-267 | Pittsburgh | Telcove Of Pennsylvania, Inc. - Pa |
| 412-268 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-269 | Coraopolis | Verizon Pennsylvania, Inc. |
| 412-270 | Pittsburgh | Usa Mobility Wireless, Inc. |
| 412-271 | Braddock | Verizon Pennsylvania, Inc. |
| 412-272 | Pittsburgh | Usa Mobility Wireless, Inc. |
| 412-273 | Braddock | Verizon Pennsylvania, Inc. |
| 412-275 | Pittsburgh | Comcast Phone Of Pennsylvania, Llc - Pa |
| 412-276 | Carnegie | Verizon Pennsylvania, Inc. |
| 412-277 | Pittsburgh | New Cingular Wireless Pcs, Llc - Il |
| 412-278 | Carnegie | Verizon Pennsylvania, Inc. |
| 412-279 | Carnegie | Verizon Pennsylvania, Inc. |
| 412-280 | Pittsburgh | Usa Mobility Wireless, Inc. |
| 412-281 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-282 | Pittsburgh | Global Crossing Local Services, Inc.-pa |
| 412-283 | Gibsonia | Consolidated Communications Enterprise Services-pa |
| 412-287 | Pittsburgh | Sprint Spectrum L.p. |
| 412-288 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-289 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-290 | Bridgeville | New Cingular Wireless Pcs, Llc - Il |
| 412-291 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-292 | Pittsburgh | Sprint Spectrum L.p. |
| 412-293 | Pittsburgh | Usa Mobility Wireless, Inc. |
| 412-294 | Pittsburgh | Telcove Of Pennsylvania, Inc. - Pa |
| 412-295 | Bridgeville | New Cingular Wireless Pcs, Llc - Il |
| 412-296 | Pittsburgh | Aerial Communications |
| 412-297 | Pittsburgh | Intermedia Communications Inc. - Pa |
| 412-298 | Pittsburgh | New Cingular Wireless Pcs, Llc - Il |
| 412-299 | Coraopolis | Verizon Pennsylvania, Inc. |
| 412-300 | Pittsburgh | Usa Mobility Wireless, Inc. |
| 412-301 | Pittsburgh | Comcast Phone Of Pennsylvania, Llc - Pa |
| 412-302 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-303 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-304 | Pittsburgh | Sprint Spectrum L.p. |
| 412-305 | Pittsburgh | American Messaging Services, Llc |
| 412-306 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-307 | Pittsburgh | Choice One Communications, Inc. - Pa |
| 412-308 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-309 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-310 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-312 | Pittsburgh | Intermedia Communications Inc. - Pa |
| 412-313 | Bridgeville | Intermedia Communications Inc. - Pa |
| 412-315 | Pittsburgh | At&t Local |
| 412-316 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-317 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-318 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-319 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-320 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-321 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-322 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-323 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-324 | Gibsonia | Consolidated Communications Enterprise Services-pa |
| 412-325 | Gibsonia | Consolidated Communications Enterprise Services-pa |
| 412-326 | Pittsburgh | Choice One Communications, Inc. - Pa |
| 412-327 | Pittsburgh | New Cingular Wireless Pcs, Llc - Il |
| 412-328 | Bridgeville | Broadvox-clec, Llc - Pa |
| 412-329 | Pittsburgh | Us Lec Of Pennsylvania, Inc. |
| 412-330 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-331 | McKees Rocks | Verizon Pennsylvania, Inc. |
| 412-334 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-335 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-336 | Pittsburgh | Global Crossing Local Services, Inc.-pa |
| 412-337 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-338 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-339 | Pittsburgh | Level 3 Communications, Llc - Pa |
| 412-340 | Pittsburgh | Schuylkill Mobile Fone, Inc. |
| 412-341 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-342 | Pittsburgh | Choice One Communications, Inc. - Pa |
| 412-343 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-344 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-345 | Pittsburgh | Choice One Communications, Inc. - Pa |
| 412-346 | Pittsburgh | Choice One Communications, Inc. - Pa |
| 412-347 | Pittsburgh | Choice One Communications, Inc. - Pa |
| 412-348 | Pittsburgh | Choice One Communications, Inc. - Pa |
| 412-349 | Pittsburgh | Choice One Communications, Inc. - Pa |
| 412-350 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-351 | Braddock | Verizon Pennsylvania, Inc. |
| 412-352 | Pittsburgh | New Cingular Wireless Pcs, Llc - Il |
| 412-353 | Pittsburgh | Paetec Communications, Inc. - Pa |
| 412-354 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-355 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-356 | Pittsburgh | Intermedia Communications Inc. - Pa |
| 412-357 | Pittsburgh | Level 3 Communications, Llc - Pa |
| 412-358 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-359 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-360 | Pittsburgh | Core Communications, Inc. - Pa |
| 412-361 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-362 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-363 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-364 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-365 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-366 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-367 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-368 | Pittsburgh | Telcove Of Pennsylvania, Inc. - Pa |
| 412-369 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-370 | Pittsburgh | New Cingular Wireless Pcs, Llc - Il |
| 412-371 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-372 | Monroeville | Verizon Pennsylvania, Inc. |
| 412-373 | Monroeville | Verizon Pennsylvania, Inc. |
| 412-374 | Monroeville | Verizon Pennsylvania, Inc. |
| 412-375 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-376 | Pittsburgh | Intermedia Communications Inc. - Pa |
| 412-377 | Pittsburgh | New Cingular Wireless Pcs, Llc - Il |
| 412-378 | Pittsburgh | Aerial Communications |
| 412-379 | Pittsburgh | Xo Communications Services Inc - Pa |
| 412-380 | Monroeville | Verizon Pennsylvania, Inc. |
| 412-381 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-382 | Elizabeth | Verizon Pennsylvania, Inc. |
| 412-383 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-384 | Elizabeth | Verizon Pennsylvania, Inc. |
| 412-386 | Pittsburgh | Intermedia Communications Inc. - Pa |
| 412-387 | Pittsburgh | Intermedia Communications Inc. - Pa |
| 412-388 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-389 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-390 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-391 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-392 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-393 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-394 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-395 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-396 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-397 | Pittsburgh | Intermedia Communications Inc. - Pa |
| 412-398 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-399 | Pittsburgh | Global Crossing Local Services, Inc.-pa |
| 412-400 | Bridgeville | Cellco Partnership Dba Verizon Wireless - Pa |
| 412-401 | Pittsburgh | Sprint Spectrum L.p. |
| 412-402 | Pittsburgh | Verizon Pennsylvania, Inc. |
| 412-403 | Pittsburgh | New Cingular Wireless Pcs, Llc - Il |
| 412-404 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-405 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-406 | Pittsburgh | Teleport Communications America, Llc - Pa |
| 412-407 | Pittsburgh | Intermedia Communications Inc. - Pa |
| 412-408 | Bridgeville | Intermedia Communications Inc. - Pa |
| 412-409 | Pittsburgh | Intermedia Communications Inc. - Pa |
| 412-414 | Pittsburgh | Sprint Spectrum L.p. |
| 412-415 | Bridgeville | Teleport Communications America, Llc - Pa |
| 412-417 | Pittsburgh | New Cingular Wireless Pcs, Llc - Il |