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: 580

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-580 A North Tahoe: Tahoe City DA CA SCRLCAXXDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 726      
530-580 0 North Tahoe: Tahoe City DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2014-08-11   
530-580 1 North Tahoe: Tahoe City DA CA   515J IP HORIZON LLC 726   2003-10-08   
530-580 2 North Tahoe: Tahoe City DA CA   515J IP HORIZON LLC 726   2003-10-08   
530-580 3 North Tahoe: Tahoe City DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2012-12-31   
530-580 4 North Tahoe: Tahoe City DA CA   515J IP HORIZON LLC 726   2003-10-29   
530-580 5 North Tahoe: Tahoe City DA CA SCRMCA01XEZ  516C AT&T CORP. 726   2011-05-27   
530-580 6 North Tahoe: Tahoe City DA CA SCRMCA01XQY  9262 UTILITY TELECOM GROUP, LLC - CA 726   2008-08-29   
530-580 8 North Tahoe: Tahoe City DA CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2009-02-24   
530-580 9 North Tahoe: Tahoe City DA CA SCRLCAXXDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 726      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.