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: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

<< 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 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-330 5 Fullerton CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
657-331 A Anaheim CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-331 0 Anaheim CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
657-331 1 Anaheim CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
657-331 2 Anaheim CA   145J TERRA NOVA TELECOM INC. 730      
657-331 3 Anaheim CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-331 4 Anaheim CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-331 5 Anaheim CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-331 6 Anaheim CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-331 7 Anaheim CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-331 8 Anaheim CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-331 9 Anaheim CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-332 A Silverado CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-01-23   
657-332 0 Silverado CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-332 1 Silverado CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-332 2 Silverado CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-332 3 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-332 4 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-332 5 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-332 6 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-332 7 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-332 8 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-332 9 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-333 A Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-333 0 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-333 1 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-333 2 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-333 3 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-333 4 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-333 5 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-333 6 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-333 7 Orange CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-333 8 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-333 9 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-334 A Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-334 0 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-334 1 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-334 2 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-334 3 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-334 4 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-334 5 Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-334 6 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-334 7 Westminster CA LNBHCAXPXWX  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
657-334 8 Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-334 9 Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-335 A Santa Ana CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-335 0 Santa Ana CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-335 1 Santa Ana CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-335 2 Santa Ana CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-335 3 Santa Ana CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
657-335 4 Santa Ana CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-335 5 Santa Ana CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-335 6 Santa Ana CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-335 7 Santa Ana CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-335 8 Santa Ana CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-335 9 Santa Ana CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-336 A Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-336 0 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-336 1 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-336 2 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-336 3 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-336 4 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-336 5 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-336 6 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-336 7 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-336 8 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-336 9 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-337 A Cypress CA ANHMCA01XEY  516C AT&T CORP. 730      
657-337 0 Cypress CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-337 1 Cypress CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
657-337 2 Cypress CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
657-337 3 Cypress CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-337 4 Cypress CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
657-337 5 Cypress CA ANHMCA01XEY  516C AT&T CORP. 730      
657-337 6 Cypress CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
657-337 7 Cypress CA LSANCAJW6MD  073H TELNYX LLC 730      
657-337 8 Cypress CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-337 9 Cypress CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
657-338 A Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-338 0 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-338 1 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-338 2 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-338 3 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-338 4 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-338 5 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-338 6 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-338 7 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-338 8 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-338 9 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-339 A Huntington Beach CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-339 0 Huntington Beach CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-339 1 Huntington Beach CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-339 2 Huntington Beach CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-339 3 Huntington Beach CA   6529 T-MOBILE USA, INC. 730      
657-339 4 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-339 5 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-339 6 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-339 7 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-339 8 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-339 9 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      

<< 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 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.