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: 557

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
760-557 A Encinitas CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
760-557 0 Encinitas CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2017-07-27   
760-557 1 Encinitas CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
760-557 2 Encinitas CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2005-03-21   
760-557 3 Encinitas CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2005-03-21   
760-557 4 Encinitas CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2017-10-09   
760-557 5 Encinitas CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2015-10-03   
760-557 6 Encinitas CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2005-04-02   
760-557 7 Encinitas CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2005-04-02   
760-557 8 Encinitas CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2005-04-02   
760-557 9 Encinitas CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2015-10-03   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.