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: 571

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
760-571 A San Marcos CA SNDHCAAXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
760-571 0 San Marcos CA VISTCA65CM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2018-11-12   
760-571 1 San Marcos CA   6529 T-MOBILE USA, INC. 732   2021-03-25   
760-571 2 San Marcos CA SNDGCA02X0Z  4129 O1 COMMUNICATIONS, INC. - CA 732   2003-10-18   
760-571 3 San Marcos CA   6529 T-MOBILE USA, INC. 732   2021-03-25   
760-571 4 San Marcos CA   6529 T-MOBILE USA, INC. 732   2021-03-25   
760-571 5 San Marcos CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2006-11-06   
760-571 6 San Marcos CA SNDHCAAXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
760-571 7 San Marcos CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2010-01-15   
760-571 8 San Marcos CA SNDGCA02PS0  206C FUSION COMMUNICATIONS, LLC 732   2010-10-14   
760-571 9 San Marcos CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2010-12-19   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.