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: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
279-999 A South Placer CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
279-999 0 South Placer CA   515J IP HORIZON LLC 726      
279-999 1 South Placer CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
279-999 2 South Placer CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726      
279-999 3 South Placer CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
279-999 4 South Placer CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
279-999 5 South Placer CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
279-999 6 South Placer CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
279-999 7 South Placer CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
279-999 8 South Placer CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
279-999 9 South Placer CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.