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
657-339 4 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-10-05   
657-339 5 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-05-25   
657-339 6 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-05-05   
657-339 7 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-05-25   
657-339 8 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-10-05   
657-339 9 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-05-14   
657-340 A Westminster CA   6529 T-MOBILE USA, INC. 730      
657-340 0 Westminster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-10-28   
657-340 1 Westminster CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-11-03   
657-340 2 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-11-28   
657-340 3 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-11-28   
657-340 4 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-11-28   
657-340 5 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-11-28   
657-340 6 Westminster CA   6529 T-MOBILE USA, INC. 730   2016-11-26   
657-340 7 Westminster CA   899D METROPCS NETWORKS, LLC 730   2018-04-24   
657-340 8 Westminster CA   899D METROPCS NETWORKS, LLC 730   2018-10-30   
657-340 9 Westminster CA   6529 T-MOBILE USA, INC. 730   2016-10-27   
657-341 A Brea CA   6529 T-MOBILE USA, INC. 730      
657-341 0 Brea CA   649C ONVOY, LLC - CA 730   2016-08-28   
657-341 1 Brea CA   649C ONVOY, LLC - CA 730   2016-08-28   
657-341 2 Brea CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-09-09   
657-341 3 Brea CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-09-09   
657-341 4 Brea CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-09-09   
657-341 5 Brea CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-09-09   
657-341 6 Brea CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-11-07   
657-341 7 Brea CA   7453 U.S. TELEPACIFIC CORP. - CA 730   2017-03-12   
657-341 8 Brea CA   6529 T-MOBILE USA, INC. 730   2016-08-27   
657-341 9 Brea CA   6529 T-MOBILE USA, INC. 730   2016-08-27   
657-342 A Huntington Beach CA   6529 T-MOBILE USA, INC. 730      
657-342 0 Huntington Beach CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-01-23   
657-342 1 Huntington Beach CA   6529 T-MOBILE USA, INC. 730   2018-09-01   
657-342 2 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-03-08   
657-342 3 Huntington Beach CA   707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730   2018-05-08   
657-342 4 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-05-21   
657-342 5 Huntington Beach CA   6529 T-MOBILE USA, INC. 730   2016-12-05   
657-342 6 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-05-28   
657-342 7 Huntington Beach CA   6529 T-MOBILE USA, INC. 730   2016-10-06   
657-342 8 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-09-03   
657-342 9 Huntington Beach CA   6529 T-MOBILE USA, INC. 730   2016-10-06   
657-343 A Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-343 0 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-10-10   
657-343 1 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-10-10   
657-343 2 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-10-10   
657-343 3 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-10-10   
657-343 4 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-10-10   
657-343 5 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-10-10   
657-343 6 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-10-10   
657-343 7 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-10-10   
657-343 8 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-10-10   
657-343 9 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-10-10   

<< 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: Execulink Telecom

Like this site? We accept donations via PayPal.