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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-667 4 Garden Grove CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-08-23   
657-667 5 Garden Grove CA   7575 CENTURYLINK COMMUNICATIONS LLC 730   2013-11-30   
657-667 6 Garden Grove CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-12-20   
657-667 7 Garden Grove CA   649C ONVOY, LLC - CA 730   2013-09-21   
657-667 8 Garden Grove CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-08-23   
657-667 9 Garden Grove CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-09-04   
657-699 A Santa Ana CA   649C ONVOY, LLC - CA 730      
657-699 0 Santa Ana CA   649C ONVOY, LLC - CA 730   2015-05-14   
657-699 1 Santa Ana CA   649C ONVOY, LLC - CA 730   2015-05-14   
657-699 2 Santa Ana CA   649C ONVOY, LLC - CA 730   2015-05-14   
657-699 3 Santa Ana CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-05-20   
657-699 4 Santa Ana CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-05-17   
657-699 5 Santa Ana CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-05-17   
657-699 6 Santa Ana CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-05-17   
657-699 7 Santa Ana CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-05-17   
657-699 8 Santa Ana CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-05-17   
657-699 9 Santa Ana CA   6664 SPRINT SPECTRUM L.P. 730   2015-05-15   
657-720 A Santa Ana CA   7661 COX CALIFORNIA TELCOM, LLC - CA 730   2017-09-22   
657-720 0 Santa Ana CA   320H VODEX COMMUNICATIONS CORPORATION - CA 730   2017-09-23   
657-720 1 Santa Ana CA   7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 730   2017-10-20   
657-720 2 Santa Ana CA   7661 COX CALIFORNIA TELCOM, LLC - CA 730   2017-09-22   
657-720 3 Santa Ana CA   7661 COX CALIFORNIA TELCOM, LLC - CA 730   2017-09-22   
657-720 4 Santa Ana CA   7661 COX CALIFORNIA TELCOM, LLC - CA 730   2017-09-22   
657-720 5 Santa Ana CA   7661 COX CALIFORNIA TELCOM, LLC - CA 730   2017-09-22   
657-720 6 Santa Ana CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2017-10-30   
657-720 7 Santa Ana CA   6529 T-MOBILE USA, INC. 730   2017-09-23   
657-720 8 Santa Ana CA   6529 T-MOBILE USA, INC. 730   2017-09-23   
657-720 9 Santa Ana CA   6529 T-MOBILE USA, INC. 730   2017-09-23   
657-722 A Garden Grove CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-722 0 Garden Grove CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-01-15   
657-722 1 Garden Grove CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-03-02   
657-722 2 Garden Grove CA   965H FRACTEL, LLC 730   2019-07-16   
657-722 3 Garden Grove CA   707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730   2018-05-16   
657-722 4 Garden Grove CA   073H TELNYX LLC 730   2019-07-18   
657-722 5 Garden Grove CA   320H VODEX COMMUNICATIONS CORPORATION - CA 730   2018-05-07   
657-722 6 Garden Grove CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2019-12-09   
657-722 7 Garden Grove CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2019-12-05   
657-722 8 Garden Grove CA   6529 T-MOBILE USA, INC. 730   2019-06-21   
657-722 9 Garden Grove CA   6529 T-MOBILE USA, INC. 730   2018-09-28   
657-732 A Silverado CA   965H FRACTEL, LLC 730   2019-07-10   
657-732 0 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2019-10-29   
657-732 1 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2019-10-29   
657-732 2 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2019-10-29   
657-732 3 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2019-10-29   
657-732 4 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2019-10-29   
657-732 5 Silverado CA   965H FRACTEL, LLC 730   2019-07-10   
657-732 6 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2019-10-29   
657-732 7 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2019-10-29   
657-732 8 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2019-10-29   
657-732 9 Silverado CA   6529 T-MOBILE USA, INC. 730   2019-08-09   

<< 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 >>

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.