National Phone Number Registry NPNR

Area Code 623 Location

Area code 623 is currently assigned for use in Arizona since Mar 01, 1999. 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 623 or other area codes in Arizona.

(623)
Enter 7-digit phone number for area code 623 or the complete 10-digit phone number

Phone Prefixes for Area Code 623

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Area code Location Company / Service Provider
623-200 PHOENIX, AZ ONVOY, LLC - AZ
623-201 PHOENIX, AZ XO ARIZONA, INC.
623-202 PHOENIX, AZ SPRINT SPECTRUM L.P.
623-203 PHOENIX, AZ NEW CINGULAR WIRELESS PCS, LLC
623-204 PHOENIX, AZ NEW CINGULAR WIRELESS PCS, LLC
623-205 PHOENIX, AZ NEW CINGULAR WIRELESS PCS, LLC
623-206 PHOENIX, AZ NEW CINGULAR WIRELESS PCS, LLC
623-207 PHOENIX, AZ QWEST CORPORATION
623-208 PHOENIX, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-209 PHOENIX, AZ ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
623-210 PHOENIX, AZ SPRINT SPECTRUM L.P.
623-212 PHOENIX, AZ AMERICAN MESSAGING SERVICES, LLC
623-213 PHOENIX, AZ T-MOBILE USA, INC.
623-214 PHOENIX, AZ QWEST CORPORATION
623-215 PHOENIX, AZ MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- AZ
623-216 PHOENIX, AZ METRO PCS, INC.
623-217 PHOENIX, AZ SPRINT SPECTRUM L.P.
623-218 PHOENIX, AZ XO ARIZONA, INC.
623-219 PHOENIX, AZ METRO PCS, INC.
623-221 PHOENIX, AZ SPRINT SPECTRUM L.P.
623-222 PHOENIX, AZ QWEST CORPORATION
623-223 PHOENIX, AZ NEW CINGULAR WIRELESS PCS, LLC
623-224 PHOENIX, AZ NEW CINGULAR WIRELESS PCS, LLC
623-225 PHOENIX, AZ NEW CINGULAR WIRELESS PCS, LLC
623-226 PHOENIX, AZ METRO PCS, INC.
623-227 PHOENIX, AZ BANDWIDTH.COM CLEC, LLC - AZ
623-228 PHOENIX, AZ AT&T LOCAL
623-229 PHOENIX, AZ NEW CINGULAR WIRELESS PCS, LLC
623-230 PHOENIX, AZ T-MOBILE USA, INC.
623-232 PHOENIX, AZ QWEST CORPORATION
623-233 PHOENIX, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-234 PHOENIX, AZ QWEST CORPORATION
623-235 PHOENIX, AZ QWEST CORPORATION
623-236 PHOENIX, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-237 PHOENIX, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-238 PHOENIX, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-239 PHOENIX, AZ T-MOBILE USA, INC.
623-240 PHOENIX, AZ XO ARIZONA, INC.
623-241 PHOENIX, AZ NEW CINGULAR WIRELESS PCS, LLC
623-242 PHOENIX, AZ LEVEL 3 COMMUNICATIONS, LLC - AZ
623-243 PHOENIX, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-244 PHOENIX, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-245 PHOENIX, AZ QWEST CORPORATION
623-247 PHOENIX, AZ QWEST CORPORATION
623-249 PHOENIX, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-251 PHOENIX, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-252 PHOENIX, AZ LEVEL 3 COMMUNICATIONS, LLC - AZ
623-253 PHOENIX, AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-255 PHOENIX, AZ SPRINT SPECTRUM L.P.
623-256 PHOENIX, AZ COX ARIZONA TELCOM, INC. - AZ
New numbers being added to 623 area code
Effective: 06/30/2017
623-404 in PHOENIX, AZ
CENTURYLINK COMMUNICATIONS LLC
Effective: 06/25/2017
623-469 in PHOENIX, AZ
BANDWIDTH.COM CLEC, LLC - AZ
623 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 01, 1999
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): 216 181 153
Overlay code: No
Overlay complex:
Dialing plan Standard Permissive
Home local calls: 7D 10D
Foreign local calls: 10D NA
Home toll calls: 1+10D NA
Foreign toll calls: 1+10D -

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