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 67 68 69 70 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-441 7 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-09-11   
657-441 8 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-10-01   
657-441 9 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-10-01   
657-442 A Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-442 0 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-06   
657-442 1 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-06   
657-442 2 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-06   
657-442 3 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-06   
657-442 4 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-06   
657-442 5 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-06   
657-442 6 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-06   
657-442 7 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-06   
657-442 8 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-06   
657-442 9 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-06   
657-443 A Westminster CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730      
657-443 0 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-07-28   
657-443 1 Westminster CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-07-27   
657-443 2 Westminster CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-07-27   
657-443 3 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-07-28   
657-443 4 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-07-28   
657-443 5 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-07-28   
657-443 6 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-07-28   
657-443 7 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-08-05   
657-443 8 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-08-05   
657-443 9 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-08-05   
657-444 A Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-444 1 Placentia CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-10-29   
657-444 2 Placentia CA ANHMCA01XEY  516C AT&T CORP. 730   2011-11-04   
657-444 3 Placentia CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-03-03   
657-444 4 Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-18   
657-444 5 Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-29   
657-444 6 Placentia CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-10-31   
657-444 7 Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-12-05   
657-444 8 Placentia CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-04-12   
657-444 9 Placentia CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
657-445 A Fullerton CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
657-445 0 Fullerton CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2015-12-14   
657-445 1 Fullerton CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2015-12-20   
657-445 2 Fullerton CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-25   
657-445 3 Fullerton CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-25   
657-445 4 Fullerton CA ANHMCA01XEY  516C AT&T CORP. 730   2016-07-27   
657-445 5 Fullerton CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-10-30   
657-445 6 Fullerton CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-06-16   
657-445 7 Fullerton CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-01-24   
657-445 8 Fullerton CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-01-24   
657-445 9 Fullerton CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-12-13   
657-446 A Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
657-446 0 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-08-15   
657-446 1 Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-14   
657-446 2 Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-14   
657-446 3 Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-14   
657-446 4 Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-14   
657-446 5 Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-14   
657-446 6 Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-14   
657-446 7 Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-14   
657-446 8 Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-14   
657-446 9 Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-14   
657-447 A Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-447 0 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-11   
657-447 1 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-11   
657-447 2 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-11   
657-447 3 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-11   
657-447 4 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-11   
657-447 5 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-11   
657-447 6 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-11   
657-447 7 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-11   
657-447 8 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-11   
657-447 9 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-11   
657-448 A Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-448 0 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-13   
657-448 1 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-13   
657-448 2 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-13   
657-448 3 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-13   
657-448 4 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-13   
657-448 5 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-13   
657-448 6 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-13   
657-448 7 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-13   
657-448 8 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-13   
657-448 9 Huntington Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-13   
657-449 A Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-449 0 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-19   
657-449 1 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-19   
657-449 2 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-19   
657-449 3 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-19   
657-449 4 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-19   
657-449 5 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-19   
657-449 6 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-19   
657-449 7 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-19   
657-449 8 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-19   
657-449 9 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-19   
657-450 A Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-450 0 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-04-13   
657-450 1 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-04-13   
657-450 2 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-04-13   
657-450 3 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-04-13   
657-450 4 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-04-13   
657-450 5 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-04-13   
657-450 6 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-04-13   
657-450 7 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-04-13   
657-450 8 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-04-13   

<< 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 67 68 69 70 >>

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.