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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
623-251 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-252 A Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-253 A Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-254 A Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666      
623-255 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-256 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-257 A Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666      
623-258 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-259 A Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-260 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2024-09-19   
623-261 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-262 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-263 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-264 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-265 A Phoenix AZ PHNXAZUI8MD  508J CENTURYLINK COMMUNICATIONS, LLC 666      
623-266 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-267 A Phoenix AZ PHNXAZ19CMD  516J TON80 COMMUNICATIONS, LLC 666      
623-268 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-269 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-270 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-271 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-272 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-273 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-274 A Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-275 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-276 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-277 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-278 A Phoenix AZ PHNXAZ28VMD  073H TELNYX LLC 666      
623-279 A Phoenix AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
623-280 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-281 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-282 A Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-283 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-284 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-285 A Phoenix AZ TLSNAZMADS0  9636 QWEST CORPORATION 666      
623-286 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-287 A Phoenix AZ PHNXAZ197MD  939H COMMIO, LLC 666      
623-288 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-289 A Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666      
623-290 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-291 A Phoenix AZ PHNXAZMAX8Z  732J NUSO, LLC 666      
623-292 A Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666      
623-293 A Phoenix AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-294 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-295 A Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666      
623-296 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-297 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-298 A Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-299 A Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-300 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      

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

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