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 71 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-282 9 Orange CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-21   
657-283 A Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-283 0 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-31   
657-283 1 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-31   
657-283 2 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-31   
657-283 3 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-31   
657-283 4 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-31   
657-283 5 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-31   
657-283 6 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-31   
657-283 7 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-31   
657-283 8 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-31   
657-283 9 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-31   
657-284 A Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-284 0 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-09-27   
657-284 1 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-09-27   
657-284 2 Orange CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-09-29   
657-284 3 Orange CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-09-28   
657-284 4 Orange CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-09-28   
657-284 5 Orange CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2015-09-28   
657-284 6 Orange CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2015-09-28   
657-284 7 Orange CA   829J PAETEC ITEL, LLC 730   2016-07-11   
657-284 8 Orange CA LSANCARCY1X  321J HD CARRIER LLC 730   2016-06-04   
657-284 9 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-08-18   
657-285 A Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-285 0 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-10-01   
657-285 1 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-10-01   
657-285 2 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-10-01   
657-285 3 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-10-01   
657-285 4 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-10-01   
657-285 5 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-10-01   
657-285 6 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-10-01   
657-285 7 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-10-01   
657-285 8 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-10-01   
657-285 9 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-10-01   
657-286 A Brea CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
657-286 0 Brea CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2015-12-03   
657-286 1 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-01-21   
657-286 2 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-01-21   
657-286 3 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-24   
657-286 4 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-24   
657-286 5 Brea CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-04-02   
657-286 6 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-04-08   
657-286 7 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-04-08   
657-286 8 Brea CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-26   
657-286 9 Brea CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-26   
657-287 A Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-287 0 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-02-29   
657-287 1 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-02-29   
657-287 2 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-02-29   
657-287 3 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-11   
657-287 4 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-11   
657-287 5 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-18   
657-287 6 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-02-29   
657-287 7 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-18   
657-287 8 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-25   
657-287 9 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-25   
657-288 A Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-288 0 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-28   
657-288 1 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-28   
657-288 2 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2016-01-29   
657-288 3 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2016-01-29   
657-288 4 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2016-02-26   
657-288 5 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-28   
657-288 6 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-28   
657-288 7 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-28   
657-288 8 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-09-13   
657-288 9 Westminster CA   515J IP HORIZON LLC 730   2016-02-28   
657-289 A Santa Ana CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
657-289 0 Santa Ana CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-01-25   
657-289 1 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-01-23   
657-289 2 Santa Ana CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2016-01-22   
657-289 3 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-01-23   
657-289 4 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-02-07   
657-289 5 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-02-07   
657-289 6 Santa Ana CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2016-01-23   
657-289 7 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-01-23   
657-289 8 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-01-23   
657-289 9 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-01-23   
657-290 A Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-290 0 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-10   
657-290 1 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-10   
657-290 2 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-10   
657-290 3 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-10   
657-290 4 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-10   
657-290 5 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-10   
657-290 6 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-10   
657-290 7 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-10   
657-290 8 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-10   
657-290 9 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-10   
657-291 A Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
657-291 0 Orange CA   515J IP HORIZON LLC 730   2015-11-07   
657-291 1 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-08-18   
657-291 2 Orange CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-02-08   
657-291 3 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-27   
657-291 4 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-26   
657-291 5 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-26   
657-291 6 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-26   
657-291 7 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-08-18   
657-291 8 Orange CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-08-18   
657-291 9 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-26   

<< 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 71 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.