National Phone Number Registry NPNR

Area Code 520 Location

Area code 520 is currently assigned for use in Arizona since Mar 19, 1995. This area code originated from the 602 area code previously by means of area code split or overlay. View all phone prefixes used in area code 520 or other area codes in Arizona.

(520)
Enter 7-digit phone number for area code 520 or the complete 10-digit phone number

Phone Prefixes for Area Code 520

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Area code Location Company / Service Provider
520-200 HAYDEN, AZ ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
520-201 SAN MANUEL, AZ ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
520-202 TUCSON, AZ LEVEL 3 TELECOM OF ARIZONA, LLC - AZ
520-203 TUCSON, AZ XO ARIZONA, INC.
520-204 TUCSON, AZ MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- AZ
520-205 TUCSON, AZ QWEST CORPORATION
520-206 TUCSON, AZ QWEST CORPORATION
520-207 TUCSON, AZ COX ARIZONA TELCOM, INC. - AZ
520-208 CASAGRANDE, AZ GLOBAL CROSSING LOCAL SERVICES, INC.-AZ
520-209 TUCSON, AZ QWEST CORPORATION
520-210 TOMBSTONE, AZ ONVOY, LLC - AZ
520-212 CASCABEL, AZ MIDVALE TELEPHONE EXCHANGE, INC.
520-213 CASAGRANDE, AZ T-MOBILE USA, INC.
520-214 TUCSON, AZ NEUTRAL TANDEM-ARIZONA, LLC - AZ
520-215 BLACKWATER, AZ GILA RIVER TELECOMM, INC.
520-216 NOGALES, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
520-217 CASAGRANDE, AZ QWEST CORPORATION
520-218 TUCSON, AZ QWEST CORPORATION
520-219 TUCSON, AZ QWEST CORPORATION
520-220 Sierra Vista, AZ T-MOBILE USA, INC.
520-221 BENSON, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
520-222 TUCSON, AZ QWEST CORPORATION
520-223 NOGALES, AZ LEVEL 3 COMMUNICATIONS, LLC - AZ
520-224 Sierra Vista, AZ ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
520-225 TUCSON, AZ QWEST CORPORATION
520-226 Sierra Vista, AZ LEVEL 3 COMMUNICATIONS, LLC - AZ
520-227 Sierra Vista, AZ SPRINT SPECTRUM L.P.
520-228 TUCSON, AZ QWEST CORPORATION
520-229 TUCSON, AZ QWEST CORPORATION
520-230 TUCSON, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
520-231 WHITLOW, AZ BANDWIDTH.COM CLEC, LLC - AZ
520-232 TUCSON, AZ QWEST CORPORATION
520-233 CASAGRANDE, AZ AT&T LOCAL
520-234 Sierra Vista, AZ AT&T LOCAL
520-235 TUCSON, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
520-236 Sierra Vista, AZ SPRINT SPECTRUM L.P.
520-237 TUCSON, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
520-238 YUMA, AZ T-MOBILE USA, INC.
520-239 TUCSON, AZ AT&T LOCAL
520-240 TUCSON, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
520-241 TUCSON, AZ NEW CINGULAR WIRELESS PCS, LLC
520-243 TUCSON, AZ QWEST CORPORATION
520-244 TUCSON, AZ T-MOBILE USA, INC.
520-245 TUCSON, AZ T-MOBILE USA, INC.
520-247 TUCSON, AZ NEW CINGULAR WIRELESS PCS, LLC
520-248 TUCSON, AZ T-MOBILE USA, INC.
520-249 Sierra Vista, AZ SPRINT SPECTRUM L.P.
520-250 TUCSON, AZ SPRINT SPECTRUM L.P.
520-251 CASAGRANDE, AZ SPRINT SPECTRUM L.P.
520-252 CASAGRANDE, AZ SPRINT SPECTRUM L.P.
New numbers being added to 520 area code
Effective: 06/25/2017
520-526 in TUCSON, AZ
COMMIO, LLC
520 Area Code Information
Type of code: General Purpose Code
Location: AZ - US
Time zone: M
Assigned for use: Yes
Code in service: Yes
Service date: March 19, 1995
In jeopardy: No
Relief in progress: No
NPA Relief status:
Code assignable: Yes
Geographic or
non-geographic:
G
Reserved for future use: No
Planning letter(s): IL94-01-030
Overlay code: No
Overlay complex:
Dialing plan Standard Permissive
Home local calls: 7D NA
Foreign local calls: 10D NA
Home toll calls: 1+10D NA
Foreign toll calls: 1+10D -
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