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: 619 [Rate centres in NPA 619] [Dial plan for NPA 619]

NXX: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
619-657 A La Mesa CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
619-657 0 La Mesa CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
619-657 1 La Mesa CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732      
619-657 2 La Mesa CA SNDGCA0260Z  624H ONVOY SPECTRUM, LLC 732      
619-657 3 La Mesa CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
619-657 4 La Mesa CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
619-657 5 La Mesa CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
619-657 6 La Mesa CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
619-657 7 La Mesa CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
619-657 8 La Mesa CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
619-657 9 La Mesa CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.