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: 628 [Rate centres in NPA 628] [Dial plan for NPA 628]

NXX: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-210 A Inverness CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
628-210 0 Inverness CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-11-10   
628-210 1 Inverness CA SNJUCACL3MD  073H TELNYX LLC 722   2017-07-20   
628-210 2 Inverness CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-13   
628-210 3 Inverness CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-09-24   
628-210 4 Inverness CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2018-10-20   
628-210 5 Inverness CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-02   
628-210 6 Inverness CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-02   
628-210 7 Inverness CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-02   
628-210 8 Inverness CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-12-23   
628-210 9 Inverness CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-12-23   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.