| 520-200 | Hayden, AZ | Landline | Electric Lightwave DBA Integra Telecom |
| 520-201 | San Manuel, AZ | Landline | Electric Lightwave DBA Integra Telecom |
| 520-202 | Tucson, AZ | Landline | Tw Telecom Of Arizona LLC |
| 520-203 | Tucson, AZ | Landline | Xo Arizona |
| 520-204 | Tucson, AZ | Landline | Mcleodusa Telecommunications Services- Az |
| 520-205 | Tucson, AZ | Landline | Qwest Corporation |
| 520-206 | Tucson, AZ | Landline | Qwest Corporation |
| 520-207 | Chandler, AZ | Landline | Cox Arizona Telcom |
| 520-208 | Phoenix, AZ | Landline | Global Crossing Local Services-az |
| 520-209 | Tucson, AZ | Landline | Qwest Corporation |
| 520-210 | Tucson, AZ | Landline | Onvoy |
| 520-213 | Casa Grande, AZ | Wireless | T-mobile Usa |
| 520-218 | Tucson, AZ | Landline | Qwest Corporation |
| 520-219 | Tucson, AZ | Landline | Qwest Corporation |
| 520-220 | Sierra Vista, AZ | Wireless | T-mobile Usa |
| 520-221 | Benson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-222 | Tucson, AZ | Landline | Qwest Corporation |
| 520-224 | Scottsdale, AZ | Landline | Electric Lightwave DBA Integra Telecom |
| 520-225 | Tucson, AZ | Landline | Qwest Corporation |
| 520-226 | Sierra Vista, AZ | Landline | Level 3 Communications |
| 520-227 | Sierra Vista, AZ | Wireless | Sprint Spectrum L.p. |
| 520-228 | Tucson, AZ | Landline | Qwest Corporation |
| 520-229 | Tucson, AZ | Landline | Qwest Corporation |
| 520-230 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-232 | Tucson, AZ | Landline | Qwest Corporation |
| 520-233 | Casa Grande, AZ | Landline | AT&T Local |
| 520-234 | Tucson, AZ | Landline | AT&T Local |
| 520-235 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-236 | Sierra Vista, AZ | Landline | Sprint Spectrum L.p. |
| 520-237 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-238 | Yuma, AZ | Wireless | T-mobile Usa |
| 520-239 | Tucson, AZ | Landline | AT&T Local |
| 520-240 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-241 | Tucson, AZ | Wireless | New Cingular Wireless PCS |
| 520-243 | Tucson, AZ | Landline | Qwest Corporation |
| 520-245 | Tucson, AZ | Wireless | T-mobile Usa |
| 520-247 | Tucson, AZ | Wireless | New Cingular Wireless PCS |
| 520-248 | Tucson, AZ | Wireless | T-mobile Usa |
| 520-249 | Sierra Vista, AZ | Wireless | Sprint Spectrum L.p. |
| 520-250 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-251 | Casa Grande, AZ | Wireless | Sprint Spectrum L.p. |
| 520-252 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-253 | Willcox, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-254 | Willcox, AZ | Landline | Level 3 Communications |
| 520-255 | Sierra Vista, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-256 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-257 | T-mobile Usa, Inc. | Wireless | Tucson |
| 520-258 | Tucson, AZ | Landline | Qwest Corporation |
| 520-259 | Tucson, AZ | Landline | North County Communications Corp. |
| 520-260 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-261 | Tucson, AZ | Landline | Bandwidth.com Clec |
| 520-262 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-263 | Cox Arizona Telcom, Inc. - Az | Landline | Tucson |
| 520-265 | Benson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-266 | Sierra Vista, AZ | Wireless | Sprint Spectrum L.p. |
| 520-267 | Sierra Vista, AZ | Landline | North County Communications Corp. |
| 520-268 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-269 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-270 | Tucson, AZ | Wireless | T-mobile Usa |
| 520-271 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-272 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-273 | New Cingular Wireless Pcs, Llc | Wireless | Tucson |
| 520-274 | Sprint Spectrum L.p. | Wireless | Tucson |
| 520-275 | Tucson, AZ | Wireless | New Cingular Wireless PCS |
| 520-276 | Bandwidth.com Clec, Llc - Az | Landline | Tucson |
| 520-278 | Metro Pcs, Inc. | Wireless | Tucson |
| 520-279 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-280 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-282 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-283 | Sprint Spectrum L.p. | Wireless | Tucson |
| 520-284 | Tucson, AZ | Landline | Xo Arizona |
| 520-286 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-288 | Tucson, AZ | Wireless | New Cingular Wireless PCS |
| 520-289 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-290 | Tucson, AZ | Landline | Qwest Corporation |
| 520-291 | Tucson, AZ | Wireless | Qwest Corporation |
| 520-292 | Tucson, AZ | Landline | Qwest Corporation |
| 520-293 | Tucson, AZ | Landline | Qwest Corporation |
| 520-294 | Tucson, AZ | Landline | Qwest Corporation |
| 520-295 | Tucson, AZ | Landline | Qwest Corporation |
| 520-296 | Tucson, AZ | Landline | Qwest Corporation |
| 520-297 | Tucson, AZ | Landline | Qwest Corporation |
| 520-298 | Tucson, AZ | Landline | Qwest Corporation |
| 520-299 | Tucson, AZ | Landline | Qwest Corporation |
| 520-300 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-301 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-302 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-303 | Tucson, AZ | Landline | Ymax Communications Corp. |
| 520-304 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-305 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-306 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-307 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-308 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-309 | Tucson, AZ | Landline | New Cingular Wireless PCS |
| 520-310 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-312 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-314 | Tucson, AZ | Landline | Level 3 Communications |
| 520-316 | Casa Grande, AZ | Landline | Qwest Corporation |
| 520-318 | Tucson, AZ | Landline | Qwest Corporation |
| 520-319 | Tucson, AZ | Landline | Qwest Corporation |
| 520-320 | Tucson, AZ | Landline | Qwest Corporation |
| 520-321 | Tucson, AZ | Landline | Qwest Corporation |
| 520-322 | Tucson, AZ | Landline | Qwest Corporation |
| 520-323 | Tucson, AZ | Landline | Qwest Corporation |
| 520-324 | Tucson, AZ | Landline | Qwest Corporation |
| 520-325 | Tucson, AZ | Landline | Qwest Corporation |
| 520-326 | Tucson, AZ | Landline | Qwest Corporation |
| 520-327 | Tucson, AZ | Landline | Qwest Corporation |
| 520-328 | Arizona (AZ) | Landline | Qwest Corporation |
| 520-329 | Tucson, AZ | Landline | Teleport Communications America |
| 520-331 | Tucson, AZ | Wireless | T-mobile Usa |
| 520-332 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-333 | Tucson, AZ | Landline | Xo Arizona |
| 520-334 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-335 | Tucson, AZ | Landline | Cox Arizona Telcom |
| 520-336 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-337 | Willcox, AZ | Landline | Level 3 Communications |
| 520-338 | Tucson, AZ | Landline | Broadvox-clec |
| 520-339 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-342 | Tucson, AZ | Landline | 360networks (usa) Inc. |
| 520-343 | Miami, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-344 | Tucson, AZ | Landline | Leap Wireless Intl DBA Cricket Comm |
| 520-345 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-348 | Centurylink Communications Llc | Landline | Tucson |
| 520-349 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-350 | Chandler, AZ | Landline | Gila Local Exchange Carrier |
| 520-351 | Tucson, AZ | Landline | Xspedius Manangement Co. Switched Services Az |
| 520-352 | Scottsdale, AZ | Landline | Electric Lightwave DBA Integra Telecom |
| 520-353 | Tucson, AZ | Landline | Broadvox-clec |
| 520-355 | Tucson, AZ | Landline | Bandwidth.com Clec |
| 520-356 | Hayden, AZ | Landline | Qwest Corporation |
| 520-357 | Dudleyville, AZ | Landline | Qwest Corporation |
| 520-358 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-359 | Arizona (AZ) | Wireless | Sprint Spectrum L.p. |
| 520-360 | Tucson, AZ | Wireless | New Cingular Wireless PCS |
| 520-363 | Kearny, AZ | Landline | Qwest Corporation |
| 520-364 | Douglas, AZ | Landline | Qwest Corporation |
| 520-365 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-366 | Hereford, AZ | Landline | Qwest Corporation |
| 520-368 | Douglas, AZ | Landline | Qwest Corporation |
| 520-369 | Tucson, AZ | Landline | Level 3 Communications |
| 520-370 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-371 | Casa Grande, AZ | Wireless | Sprint Spectrum L.p. |
| 520-373 | Tucson, AZ | Wireless | T-mobile Usa |
| 520-374 | Casa Grande, AZ | Landline | Qwest Corporation |
| 520-378 | Sierra Vista, AZ | Landline | Qwest Corporation |
| 520-381 | Scottsdale, AZ | Landline | Electric Lightwave DBA Integra Telecom |
| 520-382 | Tucson, AZ | Landline | Xspedius Manangement Co. Switched Services Az |
| 520-383 | Sells, AZ | Landline | Tohono O'odham Utility Authority |
| 520-384 | Willcox, AZ | Landline | Qwest Corporation |
| 520-385 | San Manuel, AZ | Landline | Qwest Corporation |
| 520-387 | Ajo, AZ | Landline | Table Top Telephone Co. |
| 520-388 | Tucson, AZ | Landline | Qwest Corporation |
| 520-389 | New Cingular Wireless Pcs, Llc | Wireless | Tucson |
| 520-390 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-391 | Scottsdale, AZ | Landline | Electric Lightwave DBA Integra Telecom |
| 520-392 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-393 | Green Valley, AZ | Landline | Qwest Corporation |
| 520-395 | Marana, AZ | Landline | Comcast Phone Of Arizona |
| 520-396 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-398 | Tubac, AZ | Landline | Qwest Corporation |
| 520-399 | Green Valley, AZ | Landline | Qwest Corporation |
| 520-400 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-401 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-403 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-404 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-405 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-406 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-407 | Tucson, AZ | Landline | Qwest Corporation |
| 520-408 | Tucson, AZ | Landline | Qwest Corporation |
| 520-409 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-410 | Tucson, AZ | Landline | Qwest Corporation |
| 520-413 | Phoenix, AZ | Landline | Level 3 Communications |
| 520-414 | Phoenix, AZ | Landline | Level 3 Communications |
| 520-417 | Sierra Vista, AZ | Landline | Qwest Corporation |
| 520-419 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-421 | Casa Grande, AZ | Landline | Qwest Corporation |
| 520-422 | Tucson, AZ | Landline | AT&T Local |
| 520-423 | Casa Grande, AZ | Landline | Qwest Corporation |
| 520-424 | Stanfield, AZ | Landline | Qwest Corporation |
| 520-425 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-426 | Casa Grande, AZ | Landline | Qwest Corporation |
| 520-427 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-428 | Tucson, AZ | Wireless | New Cingular Wireless PCS |
| 520-429 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-431 | Casa Grande, AZ | Wireless | New Cingular Wireless PCS |
| 520-432 | Bisbee, AZ | Landline | Qwest Corporation |
| 520-433 | Tucson, AZ | Landline | Level 3 Communications |
| 520-434 | Tucson, AZ | Landline | Qwest Corporation |
| 520-437 | Tucson, AZ | Landline | Xo Arizona |
| 520-439 | Sierra Vista, AZ | Landline | Qwest Corporation |
| 520-440 | Tucson, AZ | Wireless | T-mobile Usa |
| 520-441 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-442 | Tucson, AZ | Landline | Bandwidth.com Clec |
| 520-443 | Tucson, AZ | Wireless | T-mobile Usa |
| 520-444 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-445 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-446 | Tucson, AZ | Wireless | Usa Mobility Wireless |
| 520-447 | Tucson, AZ | Landline | Onvoy |
| 520-448 | Arizona (AZ) | Landline | Peerless Network Of Arizona |
| 520-449 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-450 | Casa Grande, AZ | Wireless | T-mobile Usa |
| 520-452 | Sierra Vista, AZ | Landline | Qwest Corporation |
| 520-454 | Sierra Vista, AZ | Landline | Qwest Corporation |
| 520-456 | Huachuca City, AZ | Landline | Qwest Corporation |
| 520-457 | Tombstone, AZ | Landline | Qwest Corporation |
| 520-458 | Sierra Vista, AZ | Landline | Qwest Corporation |
| 520-459 | Sierra Vista, AZ | Landline | Qwest Corporation |
| 520-460 | Tucson, AZ | Wireless | Commnet Wireless |
| 520-461 | Phoenix, AZ | Landline | Electric Lightwave DBA Integra Telecom |
| 520-464 | Eloy, AZ | Landline | Qwest Corporation |
| 520-465 | Tucson, AZ | Wireless | New Cingular Wireless PCS |
| 520-466 | Eloy, AZ | Landline | Qwest Corporation |
| 520-468 | Tucson, AZ | Landline | Neutral Tandem-arizona |
| 520-469 | Tucson, AZ | Landline | Qwest Corporation |
| 520-471 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-474 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-477 | Tucson, AZ | Landline | Brooks Fiber Communications Of Tucson |
| 520-481 | Tucson, AZ | Wireless | T-mobile Usa |
| 520-483 | Casa Grande, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-484 | Tucson, AZ | Wireless | 365 Wireless |
| 520-485 | Bandwidth.com Clec, Llc - Az | Landline | Tucson |
| 520-487 | Mammoth, AZ | Landline | Qwest Corporation |
| 520-488 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-489 | Tucson, AZ | Landline | Qwest Corporation |
| 520-490 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-491 | Flagstaff, AZ | Wireless | T-mobile Usa |
| 520-494 | Casa Grande, AZ | Landline | Qwest Corporation |
| 520-495 | Tucson, AZ | Landline | Tw Telecom Of Arizona LLC |
| 520-498 | Tucson, AZ | Landline | Qwest Corporation |
| 520-499 | Tucson, AZ | Wireless | T-mobile Usa |
| 520-500 | Neutral Tandem-arizona, Llc - Az | Landline | Tucson |
| 520-505 | Tucson, AZ | Landline | Electric Lightwave DBA Integra Telecom |
| 520-507 | Willcox, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-508 | Willcox, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-509 | Phoenix, AZ | Landline | Level 3 Communications |
| 520-510 | Casa Grande, AZ | Wireless | New Cingular Wireless PCS |
| 520-512 | Tucson, AZ | Landline | Qwest Corporation |
| 520-513 | Tucson, AZ | Landline | Qwest Corporation |
| 520-514 | Tucson, AZ | Landline | Qwest Corporation |
| 520-515 | Sierra Vista, AZ | Landline | Qwest Corporation |
| 520-516 | Tucson, AZ | Wireless | Qwest Corporation |
| 520-518 | Casa Grande, AZ | Wireless | New Cingular Wireless PCS |
| 520-519 | Tucson, AZ | Landline | Qwest Corporation |
| 520-528 | Cellco Partnership Dba Verizon Wireless - Az | Wireless | Tucson |
| 520-529 | Tucson, AZ | Landline | Qwest Corporation |
| 520-531 | Tucson, AZ | Landline | Qwest Corporation |
| 520-533 | Sierra Vista, AZ | Landline | Qwest Corporation |
| 520-538 | Sierra Vista, AZ | Landline | Qwest Corporation |
| 520-539 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-540 | Tucson, AZ | Wireless | Network Services LLC (tsr) |
| 520-544 | Tucson, AZ | Landline | Qwest Corporation |
| 520-545 | Tucson, AZ | Landline | Xspedius Manangement Co. Switched Services Az |
| 520-546 | Tucson, AZ | Landline | Qwest Corporation |
| 520-547 | Tucson, AZ | Landline | Xspedius Manangement Co. Switched Services Az |
| 520-548 | Phoenix, AZ | Wireless | New Cingular Wireless PCS |
| 520-549 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-551 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-557 | Tucson, AZ | Wireless | Network Services LLC (tsr) |
| 520-559 | Sierra Vista, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-560 | Casa Grande, AZ | Wireless | New Cingular Wireless PCS |
| 520-561 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-562 | Chandler Heights, AZ | Landline | Gila River Telecomm |
| 520-566 | Tucson, AZ | Wireless | Qwest Corporation |
| 520-568 | Maricopa, AZ | Landline | Qwest Corporation |
| 520-570 | Tucson, AZ | Landline | Qwest Corporation |
| 520-571 | Tucson, AZ | Landline | Qwest Corporation |
| 520-572 | Tucson, AZ | Landline | Qwest Corporation |
| 520-573 | Tucson, AZ | Landline | Qwest Corporation |
| 520-574 | Tucson, AZ | Landline | Qwest Corporation |
| 520-575 | Tucson, AZ | Landline | Qwest Corporation |
| 520-576 | Tucson, AZ | Landline | Qwest Corporation |
| 520-577 | Tucson, AZ | Landline | Qwest Corporation |
| 520-578 | Tucson, AZ | Landline | Qwest Corporation |
| 520-579 | Tucson, AZ | Landline | Qwest Corporation |
| 520-582 | Phoenix, AZ | Landline | Tw Telecom Of Arizona LLC |
| 520-584 | Tucson, AZ | Landline | Qwest Corporation |
| 520-586 | Benson, AZ | Landline | Qwest Corporation |
| 520-589 | Level 3 Communications, Llc - Az | - | Tucson |
| 520-591 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-594 | Tucson, AZ | Landline | Qwest Corporation |
| 520-595 | Centurylink Communications Llc | Landline | Tucson |
| 520-599 | New Cingular Wireless Pcs, Llc | Wireless | Tucson |
| 520-603 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-606 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-609 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-610 | Chandler Heights, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-612 | Tucson, AZ | Landline | Bandwidth.com Clec |
| 520-615 | Tucson, AZ | Landline | Qwest Corporation |
| 520-616 | Marana, AZ | Landline | Qwest Corporation |
| 520-617 | Tucson, AZ | Landline | Qwest Corporation |
| 520-618 | Tucson, AZ | Landline | Tw Telecom Of Arizona LLC |
| 520-620 | Tucson, AZ | Landline | Qwest Corporation |
| 520-621 | Tucson, AZ | Landline | Qwest Corporation |
| 520-622 | Tucson, AZ | Landline | Qwest Corporation |
| 520-623 | Tucson, AZ | Landline | Qwest Corporation |
| 520-624 | Tucson, AZ | Landline | Qwest Corporation |
| 520-625 | Green Valley, AZ | Landline | Qwest Corporation |
| 520-626 | Tucson, AZ | Landline | Qwest Corporation |
| 520-628 | Tucson, AZ | Landline | Qwest Corporation |
| 520-629 | Tucson, AZ | Landline | Qwest Corporation |
| 520-631 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-635 | T-mobile Usa, Inc. | Wireless | Tucson |
| 520-636 | Peerless Network Of Arizona, Llc - Az | - | Tucson |
| 520-638 | Tucson, AZ | Landline | Qwest Corporation |
| 520-639 | Centurylink Communications Llc | Landline | Tucson |
| 520-642 | Elfrida, AZ | Landline | Copper Valley Telephone |
| 520-645 | Douglas, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-647 | Tucson, AZ | Landline | Qwest Corporation |
| 520-648 | Green Valley, AZ | Landline | Qwest Corporation |
| 520-658 | Sprint Spectrum L.p. | Wireless | Tucson |
| 520-661 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-662 | Tucson, AZ | Landline | Qwest Corporation |
| 520-663 | Tucson, AZ | Landline | Qwest Corporation |
| 520-664 | Tucson, AZ | Landline | Qwest Corporation |
| 520-665 | Marana, AZ | Landline | Qwest Corporation |
| 520-668 | Tucson, AZ | Landline | Cellco Partnership DBA Verizon Wireless |
| 520-670 | Tucson, AZ | Landline | Qwest Corporation |
| 520-678 | Willcox, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-682 | Marana, AZ | Landline | Qwest Corporation |
| 520-686 | Benson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-689 | Superior, AZ | Landline | Qwest Corporation |
| 520-690 | Tucson, AZ | Landline | Qwest Corporation |
| 520-694 | Tucson, AZ | Landline | Tw Telecom Of Arizona LLC |
| 520-695 | Tucson, AZ | Landline | Qwest Corporation |
| 520-696 | Tucson, AZ | Landline | Qwest Corporation |
| 520-703 | Tucson, AZ | Wireless | Network Services LLC (tsr) |
| 520-704 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-705 | Casa Grande, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-709 | Casa Grande, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-712 | Tucson, AZ | Landline | Qwest Corporation |
| 520-719 | Bandwidth.com Clec, Llc - Az | - | Tucson |
| 520-720 | Saint David, AZ | Landline | Qwest Corporation |
| 520-721 | Tucson, AZ | Landline | Qwest Corporation |
| 520-722 | Tucson, AZ | Landline | Qwest Corporation |
| 520-723 | Coolidge, AZ | Landline | Qwest Corporation |
| 520-724 | Tucson, AZ | Landline | Qwest Corporation |
| 520-727 | Douglas, AZ | Wireless | New Cingular Wireless PCS |
| 520-729 | Cellco Partnership Dba Verizon Wireless - Az | Wireless | Tucson |
| 520-730 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-731 | Tucson, AZ | Landline | Qwest Corporation |
| 520-732 | Sierra Vista, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-733 | Tucson, AZ | Landline | Qwest Corporation |
| 520-740 | Tucson, AZ | Landline | Qwest Corporation |
| 520-741 | Tucson, AZ | Landline | Qwest Corporation |
| 520-742 | Tucson, AZ | Landline | Qwest Corporation |
| 520-743 | Tucson, AZ | Landline | Qwest Corporation |
| 520-744 | Tucson, AZ | Landline | Qwest Corporation |
| 520-745 | Tucson, AZ | Landline | Qwest Corporation |
| 520-746 | Tucson, AZ | Landline | Qwest Corporation |
| 520-747 | Tucson, AZ | Landline | Qwest Corporation |
| 520-748 | Tucson, AZ | Landline | Qwest Corporation |
| 520-749 | Tucson, AZ | Landline | Qwest Corporation |
| 520-750 | Tucson, AZ | Landline | Qwest Corporation |
| 520-751 | Tucson, AZ | Landline | Qwest Corporation |
| 520-760 | Tucson, AZ | Landline | Qwest Corporation |
| 520-762 | Vail, AZ | Landline | Qwest Corporation |
| 520-766 | Willcox, AZ | Landline | Valley Connections |
| 520-770 | Tucson, AZ | Landline | Qwest Corporation |
| 520-775 | Tucson, AZ | Landline | Bandwidth.com Clec |
| 520-777 | Tucson, AZ | Landline | Tw Telecom Of Arizona LLC |
| 520-780 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-784 | Tucson, AZ | Landline | Qwest Corporation |
| 520-786 | Tucson, AZ | Wireless | American Messaging Services |
| 520-788 | T-mobile Usa, Inc. | Wireless | Tucson |
| 520-789 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-790 | Tucson, AZ | Landline | Qwest Corporation |
| 520-791 | Tucson, AZ | Landline | Qwest Corporation |
| 520-792 | Tucson, AZ | Landline | Qwest Corporation |
| 520-793 | Tucson, AZ | Wireless | Qwest Corporation |
| 520-794 | Tucson, AZ | Landline | Qwest Corporation |
| 520-795 | Tucson, AZ | Landline | Qwest Corporation |
| 520-797 | Tucson, AZ | Landline | Qwest Corporation |
| 520-798 | Tucson, AZ | Landline | Qwest Corporation |
| 520-799 | Tucson, AZ | Landline | Qwest Corporation |
| 520-800 | Neutral Tandem-arizona, Llc - Az | Landline | Tucson |
| 520-803 | Sierra Vista, AZ | Landline | Qwest Corporation |
| 520-805 | Douglas, AZ | Landline | Qwest Corporation |
| 520-806 | Tucson, AZ | Landline | Qwest Corporation |
| 520-807 | Tucson, AZ | Landline | Qwest Corporation |
| 520-808 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-809 | Hypercube Telecom, Llc - Az | Landline | Tucson |
| 520-812 | Tucson, AZ | Landline | Ymax Communications Corp. |
| 520-815 | Bandwidth.com Clec, Llc - Az | Landline | Tucson |
| 520-816 | Tucson, AZ | Wireless | Network Services LLC (tsr) |
| 520-818 | Tucson, AZ | Landline | Qwest Corporation |
| 520-820 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-822 | Tucson, AZ | Landline | Qwest Corporation |
| 520-823 | Tumacacori, AZ | Landline | Arizona Telephone Co. |
| 520-825 | Tucson, AZ | Landline | Qwest Corporation |
| 520-826 | Pearce, AZ | Landline | Valley Telephone Cooperative |
| 520-827 | Superior, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-829 | Tucson, AZ | Landline | Level 3 Communications |
| 520-831 | Prescott, AZ | Wireless | T-mobile Usa |
| 520-833 | Level 3 Communications, Llc - Az | Landline | Tucson |
| 520-834 | Tucson, AZ | Landline | New Cingular Wireless PCS |
| 520-836 | Casa Grande, AZ | Landline | Qwest Corporation |
| 520-837 | Tucson, AZ | Landline | Teleport Communications America |
| 520-838 | Tucson, AZ | Landline | Qwest Corporation |
| 520-840 | Casa Grande, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-843 | Tucson, AZ | Landline | Pac - West Telecomm |
| 520-844 | Tucson, AZ | Landline | Pac - West Telecomm |
| 520-845 | San Simon, AZ | Landline | Valley Telephone Cooperative |
| 520-847 | San Simon, AZ | Landline | Valley Telephone Cooperative |
| 520-848 | Metro Pcs, Inc. | Wireless | Tucson |
| 520-850 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-858 | Casa Grande, AZ | Landline | Qwest Corporation |
| 520-861 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-866 | Florence, AZ | Landline | Qwest Corporation |
| 520-867 | Tucson, AZ | Wireless | Leap Wireless Intl DBA Cricket Comm |
| 520-868 | Florence, AZ | Landline | Qwest Corporation |
| 520-869 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-870 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-872 | Tucson, AZ | Landline | Qwest Corporation |
| 520-873 | Tucson, AZ | Landline | Qwest Corporation |
| 520-874 | Tucson, AZ | Landline | Qwest Corporation |
| 520-876 | Casa Grande, AZ | Landline | Qwest Corporation |
| 520-877 | Tucson, AZ | Landline | Qwest Corporation |
| 520-878 | Tucson, AZ | Landline | Qwest Corporation |
| 520-879 | Tucson, AZ | Landline | Qwest Corporation |
| 520-881 | Tucson, AZ | Landline | Qwest Corporation |
| 520-882 | Tucson, AZ | Landline | Qwest Corporation |
| 520-883 | Tucson, AZ | Landline | Qwest Corporation |
| 520-884 | Tucson, AZ | Landline | Qwest Corporation |
| 520-885 | Tucson, AZ | Landline | Qwest Corporation |
| 520-886 | Tucson, AZ | Landline | Qwest Corporation |
| 520-887 | Tucson, AZ | Landline | Qwest Corporation |
| 520-888 | Tucson, AZ | Landline | Qwest Corporation |
| 520-889 | Tucson, AZ | Landline | Qwest Corporation |
| 520-891 | Tucson, AZ | Wireless | T-mobile Usa |
| 520-895 | Tucson, AZ | Landline | Tw Telecom Of Arizona LLC |
| 520-896 | Oracle, AZ | Landline | Qwest Corporation |
| 520-900 | Neutral Tandem-arizona, Llc - Az | - | Tucson |
| 520-901 | Tucson, AZ | Landline | Tw Telecom Of Arizona LLC |
| 520-903 | Tucson, AZ | Landline | Qwest Corporation |
| 520-904 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-906 | Tucson, AZ | Wireless | New Cingular Wireless PCS |
| 520-907 | Tucson, AZ | Wireless | New Cingular Wireless PCS |
| 520-908 | Tucson, AZ | Landline | Qwest Corporation |
| 520-909 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-912 | Tucson, AZ | Wireless | New Cingular Wireless PCS |
| 520-917 | Tucson, AZ | Landline | Brooks Fiber Communications Of Tucson |
| 520-918 | Tucson, AZ | Landline | Brooks Fiber Communications Of Tucson |
| 520-921 | Cornville, AZ | Wireless | T-mobile Usa |
| 520-930 | Tucson, AZ | Wireless | Usa Mobility Wireless |
| 520-931 | Tucson, AZ | Wireless | Usa Mobility Wireless |
| 520-932 | Tucson, AZ | Wireless | Usa Mobility Wireless |
| 520-940 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-954 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-955 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-965 | Sprint Spectrum L.p. | Wireless | Tucson |
| 520-971 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-975 | Tucson, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-977 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-979 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-981 | Tucson, AZ | Wireless | Sprint Spectrum L.p. |
| 520-982 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-989 | Scottsdale, AZ | Landline | Electric Lightwave DBA Integra Telecom |
| 520-990 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-991 | Phoenix, AZ | Wireless | Sprint Spectrum L.p. |
| 520-993 | Sells, AZ | Wireless | Cellco Partnership DBA Verizon Wireless |
| 520-999 | Tucson, AZ | Landline | 360networks (usa) Inc. |