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]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
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      
623-600 0 Phoenix AZ PHNXAZ19AMD  965H FRACTEL, LLC 666      
623-600 1 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-600 2 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-600 3 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-600 4 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-600 5 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-600 6 Phoenix AZ PHNXAZ19AMD  965H FRACTEL, LLC 666      
623-600 7 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-600 8 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-600 9 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-606 A Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-606 0 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-606 1 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-606 2 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-606 3 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-606 4 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
623-606 5 Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-606 6 Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-606 7 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-606 8 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-606 9 Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-624 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-624 0 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-624 1 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-624 2 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-624 3 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-624 4 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-624 5 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-624 6 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-624 7 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-624 8 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-624 9 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      
623-632 0 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-632 1 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-632 2 Phoenix AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
623-632 3 Phoenix AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
623-632 4 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-632 5 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-632 6 Phoenix AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
623-632 7 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-632 8 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-632 9 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-633 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-633 0 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-633 1 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-633 2 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-633 3 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-633 4 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-633 5 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-633 6 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-633 7 Phoenix AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
623-633 8 Phoenix AZ PHNXAZBWDS0  9636 QWEST CORPORATION 666      
623-633 9 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 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      
623-643 0 Phoenix AZ PHNXAZPRDS0  9636 QWEST CORPORATION 666      
623-643 1 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-643 2 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-643 3 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-643 4 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-643 5 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-643 6 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-643 7 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-643 8 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-643 9 Phoenix AZ TLSNAZMADS0  9636 QWEST CORPORATION 666      
623-663 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-663 0 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-663 1 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-663 2 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-663 3 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-663 4 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-663 5 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-663 6 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-663 7 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-663 8 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-663 9 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-666 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-666 0 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
623-666 1 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
623-666 2 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-666 3 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-666 4 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-666 5 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-666 6 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-666 7 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-666 8 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-666 9 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-670 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-670 0 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-670 1 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-670 2 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-670 3 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-670 4 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-670 5 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.