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: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
760-581 A Wrightwood: Wrightwood DA CA RVSDCAMLDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
760-581 0 Wrightwood: Wrightwood DA CA   707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730   2018-05-08   
760-581 1 Wrightwood: Wrightwood DA CA   649C ONVOY, LLC - CA 730   2013-03-29   
760-581 2 Wrightwood: Wrightwood DA CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
760-581 3 Wrightwood: Wrightwood DA CA   506J TWILIO INTERNATIONAL INC 730   2020-10-20   
760-581 4 Wrightwood: Wrightwood DA CA   145J TERRA NOVA TELECOM INC. 730   2020-12-06   
760-581 5 Wrightwood: Wrightwood DA CA   649C ONVOY, LLC - CA 730   2008-08-29   
760-581 6 Wrightwood: Wrightwood DA CA   649C ONVOY, LLC - CA 730   2016-03-18   
760-581 7 Wrightwood: Wrightwood DA CA   508J CENTURYLINK COMMUNICATIONS LLC 730   2014-07-09   
760-581 8 Wrightwood: Wrightwood DA CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-03-28   
760-581 9 Wrightwood: Wrightwood DA CA   649C ONVOY, LLC - CA 730   2016-03-18   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.