Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 805 [Rate centres in NPA 805] [Dial plan for NPA 805]

NXX: 251

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
805-251 A Simi Valley CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
805-251 0 Simi Valley CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-06-04   
805-251 1 Simi Valley CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-06-04   
805-251 3 Simi Valley CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-07-08   
805-251 5 Simi Valley CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-06-04   
805-251 8 Simi Valley CA   624H ONVOY SPECTRUM, LLC 730   2025-05-16   
805-251 9 Simi Valley CA   624H ONVOY SPECTRUM, LLC 730   2025-05-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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