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Area Code 520

Browse available prefixes, locations, carriers, and quick path links into deeper phone number pages for this area code. Area-code research is one of the most important parts of reverse phone lookup because it gives visitors a geographic starting point before they inspect a full number.

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200Prefixes Listed
ArizonaLocation
United StatesCountry
520Area Code
Area Code Overview
Area Code520
Primary LocationArizona
CountryUnited States
Prefix Coverage200 listed prefixes
Prefixes in 520
520-200
Tucson
Electric Lightwave Llc Dba Integra Telecom - Az
Landline
520-201
Tucson
Electric Lightwave Llc Dba Integra Telecom - Az
Landline
520-202
Tucson
Tw Telecom Of Arizona Llc
Landline
520-203
Tucson
Xo Arizona Inc.
Landline
520-204
Tucson
Mcleodusa Telecommunications Services Inc.- Az
Landline
520-205
Tucson
Qwest Corporation
Landline
520-206
Tucson
Qwest Corporation
Landline
520-207
Tucson
Cox Arizona Telcom Inc. - Az
Landline
520-208
Tempe
Global Crossing Local Services Inc.-az
Landline
520-209
Tucson
Qwest Corporation
Landline
520-212
Benson
Midvale Telephone Exchange Inc.
Landline
520-215
Chandler
Gila River Telecomm Inc.
Landline
520-216
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-218
Tucson
Qwest Corporation
Landline
520-219
Tucson
Qwest Corporation
Landline
520-220
Tucson
T-mobile Usa Inc.
Wireless
520-221
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-222
Tucson
Qwest Corporation
Landline
520-223
Tucson
Level 3 Communications Llc - Az
Landline
520-224
Tucson
Electric Lightwave Llc Dba Integra Telecom - Az
Landline
520-225
Tucson
Qwest Corporation
Landline
520-226
Tucson
Level 3 Communications Llc - Az
Landline
520-227
Tucson
Sprint Spectrum L.p.
Wireless
520-228
Tucson
Qwest Corporation
Landline
520-229
Tucson
Qwest Corporation
Landline
520-230
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-232
Tucson
Qwest Corporation
Landline
520-233
Phoenix
At&t Local
Landline
520-234
Tucson
At&t Local
Landline
520-235
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-236
Tucson
Sprint Spectrum L.p.
Wireless
520-237
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-238
Tempe
T-mobile Usa Inc.
Wireless
520-239
Tucson
At&t Local
Landline
520-240
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-241
Tucson
New Cingular Wireless Pcs Llc
Wireless
520-243
Tucson
Qwest Corporation
Landline
520-244
Tucson
American Messaging Services Llc
Landline
520-245
Tucson
T-mobile Usa Inc.
Wireless
520-247
Tucson
New Cingular Wireless Pcs Llc
Wireless
520-248
Tucson
T-mobile Usa Inc.
Wireless
520-249
Tucson
Sprint Spectrum L.p.
Wireless
520-250
Tucson
Sprint Spectrum L.p.
Wireless
520-251
Phoenix
Sprint Spectrum L.p.
Wireless
520-252
Phoenix
Sprint Spectrum L.p.
Wireless
520-253
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-254
Tucson
Level 3 Communications Llc - Az
Landline
520-255
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-256
Tucson
Sprint Spectrum L.p.
Wireless
520-258
Tucson
Qwest Corporation
Landline
520-259
Tucson
North County Communications Corp.
Landline
520-260
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-261
Tucson
Bandwidth.com Clec Llc - Az
Landline
520-262
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-264
Tucson
At&t Local
Landline
520-265
Tucson
Sprint Spectrum L.p.
Wireless
520-266
Tucson
Sprint Spectrum L.p.
Wireless
520-267
Tucson
North County Communications Corp.
Landline
520-268
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-269
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-270
Tucson
T-mobile Usa Inc.
Wireless
520-271
Tucson
Sprint Spectrum L.p.
Wireless
520-272
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-275
Tucson
New Cingular Wireless Pcs Llc
Wireless
520-277
Phoenix
Broadvox-clec Llc - Az
Landline
520-280
Phoenix
Sprint Spectrum L.p.
Wireless
520-281
Nogales
Qwest Corporation
Landline
520-282
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-284
Tucson
Xo Arizona Inc.
Landline
520-285
Nogales
Qwest Corporation
Landline
520-286
Tucson
Sprint Spectrum L.p.
Wireless
520-287
Nogales
Qwest Corporation
Landline
520-288
Tucson
New Cingular Wireless Pcs Llc
Wireless
520-289
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-290
Tucson
Qwest Corporation
Landline
520-291
Tucson
Qwest Corporation
Landline
520-292
Tucson
Qwest Corporation
Landline
520-293
Tucson
Qwest Corporation
Landline
520-294
Tucson
Qwest Corporation
Landline
520-295
Tucson
Qwest Corporation
Landline
520-296
Tucson
Qwest Corporation
Landline
520-297
Tucson
Qwest Corporation
Landline
520-298
Tucson
Qwest Corporation
Landline
520-299
Tucson
Qwest Corporation
Landline
520-300
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-301
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-302
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-303
Tucson
Ymax Communications Corp. - Az
Landline
520-304
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-305
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-306
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-307
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-308
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-309
Tucson
New Cingular Wireless Pcs Llc
Wireless
520-310
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-312
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-313
Tucson
T-mobile Usa Inc.
Wireless
520-314
Tucson
Level 3 Communications Llc - Az
Landline
520-315
Chandler
Gila River Telecomm Inc.
Landline
520-316
Unknown City
Qwest Corporation
Landline
520-318
Tucson
Qwest Corporation
Landline
520-319
Tucson
Qwest Corporation
Landline
520-320
Tucson
Qwest Corporation
Landline
520-321
Tucson
Qwest Corporation
Landline
520-322
Tucson
Qwest Corporation
Landline
520-323
Tucson
Qwest Corporation
Landline
520-324
Tucson
Qwest Corporation
Landline
520-325
Tucson
Qwest Corporation
Landline
520-326
Tucson
Qwest Corporation
Landline
520-327
Tucson
Qwest Corporation
Landline
520-329
Tucson
Teleport Communications America Llc - Az
Landline
520-331
Tucson
T-mobile Usa Inc.
Wireless
520-332
Tucson
Sprint Spectrum L.p.
Wireless
520-333
Tucson
Xo Arizona Inc.
Landline
520-334
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-335
Tucson
Cox Arizona Telcom Inc. - Az
Landline
520-336
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-337
Tucson
Level 3 Communications Llc - Az
Landline
520-338
Tucson
Broadvox-clec Llc - Az
Landline
520-339
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-342
Tucson
360networks (usa) Inc. - Az
Landline
520-343
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-344
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-345
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-349
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-350
Phoenix
Gila Local Exchange Carrier Inc. - Az
Landline
520-351
Tucson
Xspedius Manangement Co. Switched Services Llc Az
Landline
520-352
Tucson
Electric Lightwave Llc Dba Integra Telecom - Az
Landline
520-353
Tucson
Broadvox-clec Llc - Az
Landline
520-355
Tucson
Bandwidth.com Clec Llc - Az
Landline
520-356
Unknown City
Qwest Corporation
Landline
520-357
Unknown City
Qwest Corporation
Landline
520-358
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-360
Tucson
New Cingular Wireless Pcs Llc
Wireless
520-361
Unknown City
Tohono O'odham Utility Authority
Landline
520-362
San Simon
Tohono O'odham Utility Authority
Landline
520-363
Unknown City
Qwest Corporation
Landline
520-364
Douglas
Qwest Corporation
Landline
520-365
Tucson
Sprint Spectrum L.p.
Wireless
520-366
Hereford
Qwest Corporation
Landline
520-368
Tucson
Qwest Corporation
Landline
520-369
Tucson
Level 3 Communications Llc - Az
Landline
520-370
Tucson
Sprint Spectrum L.p.
Wireless
520-371
Phoenix
Sprint Spectrum L.p.
Wireless
520-373
Tucson
T-mobile Usa Inc.
Wireless
520-374
Unknown City
Qwest Corporation
Landline
520-375
Nogales
Qwest Corporation
Landline
520-377
Nogales
Qwest Corporation
Landline
520-378
Sierra Vista
Qwest Corporation
Landline
520-381
Phoenix
Electric Lightwave Llc Dba Integra Telecom - Az
Landline
520-382
Tucson
Xspedius Manangement Co. Switched Services Llc Az
Landline
520-383
Sells
Tohono O'odham Utility Authority
Landline
520-384
Willcox
Qwest Corporation
Landline
520-385
San Manuel
Qwest Corporation
Landline
520-387
Ajo
Table Top Telephone Co. Inc.
Landline
520-388
Tucson
Qwest Corporation
Landline
520-390
Tucson
Sprint Spectrum L.p.
Wireless
520-391
Phoenix
Electric Lightwave Llc Dba Integra Telecom - Az
Landline
520-392
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-393
Green Valley
Qwest Corporation
Landline
520-394
Patagonia
Qwest Corporation
Landline
520-395
Tucson
Comcast Phone Of Arizona Llc - Az
Landline
520-396
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-397
Nogales
Qwest Corporation
Landline
520-398
Tumacacori
Qwest Corporation
Landline
520-399
Green Valley
Qwest Corporation
Landline
520-400
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-401
Tucson
Sprint Spectrum L.p.
Wireless
520-403
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-404
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-405
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-406
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-407
Tucson
Qwest Corporation
Landline
520-408
Tucson
Qwest Corporation
Landline
520-409
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-410
Tucson
Qwest Corporation
Landline
520-413
Phoenix
Level 3 Communications Llc - Az
Landline
520-414
Phoenix
Level 3 Communications Llc - Az
Landline
520-415
Tucson
Mcc Telephony Of The West Llc - Az
Landline
520-417
Sierra Vista
Qwest Corporation
Landline
520-418
Chandler
Gila River Telecomm Inc.
Landline
520-419
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-421
Unknown City
Qwest Corporation
Landline
520-422
Tucson
At&t Local
Landline
520-423
Unknown City
Qwest Corporation
Landline
520-424
Unknown City
Qwest Corporation
Landline
520-425
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-426
Unknown City
Qwest Corporation
Landline
520-427
Tucson
Sprint Spectrum L.p.
Wireless
520-429
Tucson
Cellco Partnership Dba Verizon Wireless - Az
Wireless
520-430
Chandler
Gila River Telecomm Inc.
Landline
520-431
Phoenix
New Cingular Wireless Pcs Llc
Wireless
520-432
Bisbee
Qwest Corporation
Landline
520-433
Tucson
Level 3 Communications Llc - Az
Landline
520-434
Tucson
Qwest Corporation
Landline
520-437
Tucson
Xo Arizona Inc.
Landline
520-439
Sierra Vista
Qwest Corporation
Landline
520-440
Tucson
T-mobile Usa Inc.
Wireless
520-441
Tucson
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
520-442
Tucson
Bandwidth.com Clec Llc - Az
Landline

Top prefixes in this area code

520-200→520-201→520-202→520-203→520-204→520-205→520-206→520-207→
Why area code pages matter in reverse phone lookup

Area code pages help visitors understand the wider calling region connected to a number. While a full reverse phone lookup page focuses on one specific caller, an area code page shows the bigger picture by grouping prefixes, cities, and carrier patterns under the same first three digits. This makes it easier to spot whether a number appears local, regional, or part of a service area the visitor already recognizes.

For phone directory websites, area code pages also improve browsing. A user can start with a missed call, discover the number's first three digits, and then move into the related area code to see supporting location data and a list of active prefixes. That layered navigation creates a better research experience and gives visitors more confidence when they continue into a specific number page.