Local Calling Guide

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NPA: 623 [Rate centres in NPA 623] [Dial plan for NPA 623]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-301 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-302 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-303 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-304 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-305 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-306 A Phoenix AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
623-307 A Phoenix AZ   907K ALLO COMMUNICATIONS LLC 666      
623-308 A Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-309 A Phoenix AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
623-312 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-313 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-320 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-321 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-322 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-323 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-324 A Phoenix AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
623-326 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-327 A Phoenix AZ BCKYAZMADS0  9636 QWEST CORPORATION 666      
623-328 A Phoenix AZ WNBGAZ01RS1  9636 QWEST CORPORATION 666      
623-329 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-330 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-332 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-333 A Phoenix AZ TLSNAZMADS0  9636 QWEST CORPORATION 666      
623-334 A Phoenix AZ PHNXAZPRDS0  9636 QWEST CORPORATION 666      
623-335 A Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666      
623-336 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-337 A Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-340 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-341 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-343 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-344 A Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-349 A Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-352 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-356 A Phoenix AZ PHNXAZ19AMD  965H FRACTEL, LLC 666      
623-362 A Phoenix AZ AGFIAZSRDS0  9636 QWEST CORPORATION 666      
623-363 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-373 A Phoenix AZ   597F VOIP INNOVATIONS, LLC 666   2026-06-13   
623-374 A Phoenix AZ BLCNAZMARS1  9636 QWEST CORPORATION 666      
623-376 A Phoenix AZ AGFIAZSRDS0  9636 QWEST CORPORATION 666      
623-377 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-383 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-385 A Phoenix AZ PHNZAZDMDS3  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 666      
623-386 A Phoenix AZ BCKYAZMADS0  9636 QWEST CORPORATION 666      
623-387 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-388 A Phoenix AZ CRCYAZNMRS1  9636 QWEST CORPORATION 666      
623-393 A Phoenix AZ WNBGAZ01RS1  9636 QWEST CORPORATION 666      
623-396 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-398 A Phoenix AZ PHNAAZ55DS1  4793 XO ARIZONA, INC. 666      
623-399 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-400 A Phoenix AZ PHNXAZ19AMD  965H FRACTEL, LLC 666      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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