Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 820 [Rate centres in NPA 820] [Dial plan for NPA 820]

NXX: 249

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-249 A Ventura Central CA   6529 T-MOBILE USA, INC. 730   2026-10-17   
820-249 0 Ventura Central CA   649C ONVOY, LLC - CA 730   2026-10-19   
820-249 1 Ventura Central CA   649C ONVOY, LLC - CA 730   2026-10-19   
820-249 8 Ventura Central CA   6529 T-MOBILE USA, INC. 730   2026-10-17   
820-249 9 Ventura Central CA   6529 T-MOBILE USA, INC. 730   2026-10-17   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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