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: 279 [Rate centres in NPA 279] [Dial plan for NPA 279]

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
279-203 A Sacramento: North DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
279-203 0 Sacramento: North DA CA SCRMCA01X7Z  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726   2020-04-02   
279-203 1 Sacramento: North DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2020-04-11   
279-203 2 Sacramento: North DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2020-04-03   
279-203 3 Sacramento: North DA CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2020-11-17   
279-203 4 Sacramento: North DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2020-04-03   
279-203 5 Sacramento: North DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2020-04-03   
279-203 6 Sacramento: North DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2020-02-24   
279-203 7 Sacramento: North DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2020-02-24   
279-203 8 Sacramento: North DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2020-02-24   
279-203 9 Sacramento: North DA CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2020-02-24   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.