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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
623-401 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-404 A Phoenix AZ PHNXAZUI8MD  508J CENTURYLINK COMMUNICATIONS, LLC 666      
623-412 A Phoenix AZ PHNXAZPRDS0  9636 QWEST CORPORATION 666      
623-414 A Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-418 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-419 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-428 A Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666      
623-432 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-433 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-434 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-435 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-439 A Phoenix AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
623-440 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-444 A Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-445 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-451 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-455 A Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-456 A Phoenix AZ   490J BOOST SUBSCRIBERCO L.L.C. 666   2025-06-30   
623-462 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-463 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-465 A Phoenix AZ NWRVAZMADS0  9636 QWEST CORPORATION 666      
623-466 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-469 A Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666      
623-471 A Phoenix AZ BCKYAZMADS0  9636 QWEST CORPORATION 666      
623-473 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-474 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-476 A Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-478 A Phoenix AZ TLSNAZMADS0  9636 QWEST CORPORATION 666      
623-486 A Phoenix AZ PHNXAZPRDS0  9636 QWEST CORPORATION 666      
623-487 A Phoenix AZ PHNXAZPRDS0  9636 QWEST CORPORATION 666      
623-492 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-498 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-499 A Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-500 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-505 A Phoenix AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-512 A Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-516 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-518 A Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-521 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-522 A Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666      
623-523 A Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      
623-524 A Phoenix AZ BRDSAZMADS0  9636 QWEST CORPORATION 666      
623-526 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-533 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-535 A Phoenix AZ LTPKAZMADS0  9636 QWEST CORPORATION 666      
623-536 A Phoenix AZ LTPKAZMADS0  9636 QWEST CORPORATION 666      
623-537 A Phoenix AZ AGFIAZSRDS0  9636 QWEST CORPORATION 666      
623-544 A Phoenix AZ BRDSAZMADS0  9636 QWEST CORPORATION 666      
623-546 A Phoenix AZ BRDSAZMADS0  9636 QWEST CORPORATION 666      
623-547 A Phoenix AZ LTPKAZMADS0  9636 QWEST CORPORATION 666      

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

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