Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

Block: A

<< 1 2 3 4 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-552 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-556 A Phoenix AZ BRDSAZMADS0  9636 QWEST CORPORATION 666      
623-561 A Phoenix AZ AGFIAZSRDS0  9636 QWEST CORPORATION 666      
623-562 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-565 A Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-566 A Phoenix AZ AGFIAZSRDS0  9636 QWEST CORPORATION 666      
623-570 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-572 A Phoenix AZ AGFIAZSRDS0  9636 QWEST CORPORATION 666      
623-580 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-581 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-582 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-583 A Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      
623-584 A Phoenix AZ BRDSAZMADS0  9636 QWEST CORPORATION 666      
623-587 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-594 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-600 A Phoenix AZ PHNXAZ19AMD  965H FRACTEL, LLC 666      
623-606 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-624 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-628 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-632 A Phoenix AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
623-633 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-640 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-643 A Phoenix AZ PHNXAZPRDS0  9636 QWEST CORPORATION 666      
623-663 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-666 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-670 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-680 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-683 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-687 A Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-688 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-691 A Phoenix AZ PHNXAZMYDS0  9636 QWEST CORPORATION 666      
623-692 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-693 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-694 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-695 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-696 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-698 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-703 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-707 A Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-715 A Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-734 A Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-738 A Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-742 A Phoenix AZ NWRVAZMADS0  9636 QWEST CORPORATION 666      
623-745 A Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-748 A Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-755 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-759 A Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-760 A Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-764 A Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666      
623-772 A Phoenix AZ PHNXAZBWDS0  9636 QWEST CORPORATION 666      
623-773 A Phoenix AZ PHNXAZPRDS0  9636 QWEST CORPORATION 666      
623-776 A Phoenix AZ PHNXAZPRDS0  9636 QWEST CORPORATION 666      
623-777 A Phoenix AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
623-780 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-792 A Phoenix AZ PHNZAZDMDS3  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 666      
623-800 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-806 A Phoenix AZ LNBTAZXCDS3  947E GILA LOCAL EXCHANGE CARRIER, INC. - AZ 666      
623-810 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-815 A Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      
623-824 A Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-825 A Phoenix AZ AGFIAZSRDS0  9636 QWEST CORPORATION 666      
623-826 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-832 A Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      
623-842 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-845 A Phoenix AZ PHNXAZMYDS0  9636 QWEST CORPORATION 666      
623-846 A Phoenix AZ PHNXAZMYDS0  9636 QWEST CORPORATION 666      
623-847 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-848 A Phoenix AZ PHNXAZMYDS0  9636 QWEST CORPORATION 666      
623-849 A Phoenix AZ PHNXAZMYDS0  9636 QWEST CORPORATION 666      
623-850 A Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-853 A Phoenix AZ WHTKAZMARS2  9636 QWEST CORPORATION 666      
623-856 A Phoenix AZ LTPKAZMADS0  9636 QWEST CORPORATION 666      
623-866 A Phoenix AZ PHNXAZMYDS0  9636 QWEST CORPORATION 666      
623-869 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-872 A Phoenix AZ PHNXAZBWDS0  9636 QWEST CORPORATION 666      
623-873 A Phoenix AZ PHNXAZMYDS0  9636 QWEST CORPORATION 666      
623-875 A Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      
623-876 A Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      
623-877 A Phoenix AZ PHNXAZBWDS0  9636 QWEST CORPORATION 666      
623-878 A Phoenix AZ PHNXAZPRDS0  9636 QWEST CORPORATION 666      
623-879 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-882 A Phoenix AZ GDYRAZCWDS0  9636 QWEST CORPORATION 666      
623-887 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-888 A Phoenix AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
623-889 A Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-900 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-907 A Phoenix AZ TLSNAZMADS0  9636 QWEST CORPORATION 666      
623-910 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-915 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-920 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-925 A Phoenix AZ GDYRAZCWDS0  9636 QWEST CORPORATION 666      
623-930 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-931 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-932 A Phoenix AZ GDYRAZCWDS0  9636 QWEST CORPORATION 666      
623-933 A Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      
623-934 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-935 A Phoenix AZ LTPKAZMADS0  9636 QWEST CORPORATION 666      
623-936 A Phoenix AZ TLSNAZMADS0  9636 QWEST CORPORATION 666      
623-937 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-939 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      

<< 1 2 3 4 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.