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: 805 [Rate centres in NPA 805] [Dial plan for NPA 805]

NXX: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
805-576 A Carpinteria CA SNLOCAMOBMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-576 0 Carpinteria CA SNLOCA01X4Y  073H TELNYX LLC 740   2020-06-12   
805-576 1 Carpinteria CA SNLOCAMOBMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-576 2 Carpinteria CA SNLOCAMOBMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-576 3 Carpinteria CA SNBBCAXFXFY  624H ONVOY SPECTRUM, LLC 740   2021-12-15   
805-576 4 Carpinteria CA SNBBCAXFXFY  624H ONVOY SPECTRUM, LLC 740   2021-12-15   
805-576 5 Carpinteria CA SNLOCAMOBMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 740      
805-576 6 Carpinteria CA SNBBCAXFXPX  6529 T-MOBILE USA, INC. 740   2024-01-12   
805-576 7 Carpinteria CA SNBBCAXFXWX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740   2005-07-25   
805-576 8 Carpinteria CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2019-09-15   
805-576 9 Carpinteria CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2019-09-15   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.