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: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
805-510 A Carrisa Plains CA SNLOCA01XFX  649C ONVOY, LLC - CA 740      
805-510 0 Carrisa Plains CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2023-07-22   
805-510 1 Carrisa Plains CA SNLOCA01XCX  981E BANDWIDTH.COM CLEC, LLC - CA 740      
805-510 2 Carrisa Plains CA SNBBCAXFXMX  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 740   2022-04-18   
805-510 3 Carrisa Plains CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-08-13   
805-510 4 Carrisa Plains CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 740   2026-02-15   
805-510 5 Carrisa Plains CA SNLOCAJTFMD  516C AT&T CORP. 740   2011-11-22   
805-510 6 Carrisa Plains CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-06-01   
805-510 7 Carrisa Plains CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2017-04-07   
805-510 8 Carrisa Plains CA SNBBCAXFXFY  624H ONVOY SPECTRUM, LLC 740   2021-12-15   
805-510 9 Carrisa Plains CA SNBBCAXFXFY  624H ONVOY SPECTRUM, LLC 740   2021-12-15   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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