National Phone Number Registry NPNR

(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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