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: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
279-300 A Sacramento: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
279-300 0 Sacramento: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2019-07-14   
279-300 1 Sacramento: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2019-07-14   
279-300 2 Sacramento: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2019-07-14   
279-300 3 Sacramento: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2019-07-14   
279-300 4 Sacramento: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2019-07-14   
279-300 5 Sacramento: Main DA CA WSCRCAAHPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 726   2019-08-29   
279-300 6 Sacramento: Main DA CA WSCRCAKE0MD  6529 T-MOBILE USA, INC. 726   2019-08-30   
279-300 7 Sacramento: Main DA CA WSCRCAKE0MD  6529 T-MOBILE USA, INC. 726   2019-08-30   
279-300 8 Sacramento: Main DA CA WSCRCAKE0MD  6529 T-MOBILE USA, INC. 726   2019-08-30   
279-300 9 Sacramento: Main DA CA WSCRCAKE0MD  6529 T-MOBILE USA, INC. 726   2019-10-02   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.