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: 202

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
279-202 A Fair Oaks (Sacramento) CA WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
279-202 0 Fair Oaks (Sacramento) CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2020-07-25   
279-202 1 Fair Oaks (Sacramento) CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2020-10-04   
279-202 2 Fair Oaks (Sacramento) CA WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2019-12-02   
279-202 3 Fair Oaks (Sacramento) CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2020-10-04   
279-202 4 Fair Oaks (Sacramento) CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2020-02-09   
279-202 5 Fair Oaks (Sacramento) CA WSCRCAKE1MD  6529 T-MOBILE USA, INC. 726   2020-11-17   
279-202 6 Fair Oaks (Sacramento) CA RSVLCAXF0MD  649C ONVOY, LLC - CA 726   2020-12-09   
279-202 7 Fair Oaks (Sacramento) CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2020-05-25   
279-202 8 Fair Oaks (Sacramento) CA WSCRCAKE1MD  6529 T-MOBILE USA, INC. 726   2020-02-06   
279-202 9 Fair Oaks (Sacramento) CA RSVLCAXF0MD  649C ONVOY, LLC - CA 726   2020-12-09   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.