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]

NXX: 699

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-699 A Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-01-23   
657-699 0 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-05-14   
657-699 1 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-05-14   
657-699 2 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-05-14   
657-699 3 Santa Ana CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-05-20   
657-699 4 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-05-17   
657-699 5 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-05-17   
657-699 6 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-05-17   
657-699 7 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-05-17   
657-699 8 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-05-17   
657-699 9 Santa Ana CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2015-05-15   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.