Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 279 [Rate centres in NPA 279] [Dial plan for NPA 279]

NXX: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
279-291 A Fair Oaks (Sacramento) CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2026-01-09   
279-291 0 Fair Oaks (Sacramento) CA WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2026-08-22   
279-291 1 Fair Oaks (Sacramento) CA RSVLCAXF0MD  649C ONVOY, LLC - CA 726   2026-06-14   
279-291 8 Fair Oaks (Sacramento) CA   649C ONVOY, LLC - CA 726   2026-08-23   
279-291 9 Fair Oaks (Sacramento) CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2026-01-09   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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