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: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 457

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-457 A Georgetown CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2021-02-24   
530-457 0 Georgetown CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-457 1 Georgetown CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2019-02-23   
530-457 2 Georgetown CA SCRMCA01X7Z  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726      
530-457 3 Georgetown CA SCRMCA01XXX  7453 U.S. TELEPACIFIC CORP. - CA 726   2011-05-16   
530-457 4 Georgetown CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2019-02-23   
530-457 5 Georgetown CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2014-08-22   
530-457 6 Georgetown CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2010-07-17   
530-457 7 Georgetown CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2011-02-04   
530-457 8 Georgetown CA SCRMCA01XSZ  073H TELNYX LLC 726   2018-12-06   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.