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: 760 [Rate centres in NPA 760] [Dial plan for NPA 760]

NXX: 664

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
760-664 A Earp: Lost Lake DA CA PSTNAZXCRS1  4419 FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - AZ 730      
760-664 0 Earp: Lost Lake DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-03-01   
760-664 1 Earp: Lost Lake DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-03-01   
760-664 2 Earp: Lost Lake DA CA LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-08-29   
760-664 3 Earp: Lost Lake DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-12-31   
760-664 4 Earp: Lost Lake DA CA PSTNAZXCRS1  4419 FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - AZ 730      
760-664 5 Earp: Lost Lake DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-23   
760-664 6 Earp: Lost Lake DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-11-29   
760-664 7 Earp: Lost Lake DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-08-25   
760-664 8 Earp: Lost Lake DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-11-29   
760-664 9 Earp: Lost Lake DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-10-03   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.