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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-200 A Westminster CA ANHNCA03CM1  899D METROPCS NETWORKS, LLC 730   2008-09-23   
657-200 0 Westminster CA   899D METROPCS NETWORKS, LLC 730   2008-09-23   
657-200 1 Westminster CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-02-27   
657-200 2 Westminster CA   8782 ALLEGIANCE TELECOM, INC. - CA 730   2009-05-24   
657-200 3 Westminster CA   206C CBEYOND COMMUNICATIONS, LLC - CA 730   2009-04-02   
657-200 4 Westminster CA   7453 U.S. TELEPACIFIC CORP. - CA 730   2010-03-11   
657-200 5 Westminster CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-26   
657-200 6 Westminster CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-03-20   
657-200 7 Westminster CA   7661 COX CALIFORNIA TELCOM, LLC - CA 730   2010-02-07   
657-200 8 Westminster CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-26   
657-200 9 Westminster CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-07-04   
657-201 A Anaheim CA ANHNCA03CM1  899D METROPCS NETWORKS, LLC 730   2008-11-27   
657-201 0 Anaheim CA   899D METROPCS NETWORKS, LLC 730   2008-11-27   
657-201 1 Anaheim CA   258E YMAX COMMUNICATIONS CORP. - CA 730   2009-07-22   
657-201 2 Anaheim CA   258E YMAX COMMUNICATIONS CORP. - CA 730   2009-07-22   
657-201 3 Anaheim CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2012-06-08   
657-201 4 Anaheim CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-12-02   
657-201 5 Anaheim CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-05-28   
657-201 6 Anaheim CA   899D METROPCS NETWORKS, LLC 730   2018-11-04   
657-201 7 Anaheim CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-11-21   
657-201 8 Anaheim CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-02-06   
657-201 9 Anaheim CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-11-21   
657-202 A Anaheim CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-04   
657-202 0 Anaheim CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-04   
657-202 1 Anaheim CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-04   
657-202 2 Anaheim CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-04   
657-202 3 Anaheim CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-04   
657-202 4 Anaheim CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-04   
657-202 5 Anaheim CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-04   
657-202 6 Anaheim CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-04   
657-202 7 Anaheim CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-04   
657-202 8 Anaheim CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-04   
657-202 9 Anaheim CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-04   
657-203 A Huntington Beach CA LSANCA54RS1  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-06-05   
657-203 0 Huntington Beach CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-06-05   
657-203 1 Huntington Beach CA   6529 T-MOBILE USA, INC. 730   2010-06-08   
657-203 2 Huntington Beach CA   7262 XO CALIFORNIA, INC. 730   2010-06-08   
657-203 3 Huntington Beach CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2010-06-20   
657-203 4 Huntington Beach CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2010-07-11   
657-203 5 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-08-01   
657-203 6 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-08-01   
657-203 7 Huntington Beach CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2010-08-07   
657-203 8 Huntington Beach CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-29   
657-203 9 Huntington Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-08-06   
657-204 A Huntington Beach CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-06-12   
657-204 0 Huntington Beach CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-06-12   
657-204 1 Huntington Beach CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-11-20   
657-204 2 Huntington Beach CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-07-04   
657-204 3 Huntington Beach CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-07-04   
657-204 4 Huntington Beach CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-07-04   

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 >>

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.