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: 820

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-820 A Santa Barbara CA SNLOCA01XYY  824J OPENTACT INC. 740   2026-08-03   
820-820 0 Santa Barbara CA SNLOCA01XYY  824J OPENTACT INC. 740   2026-08-03   
820-820 1 Santa Barbara CA   649C ONVOY, LLC - CA 740   2026-09-27   
820-820 2 Santa Barbara CA   6529 T-MOBILE USA, INC. 740   2026-10-17   
820-820 3 Santa Barbara CA   6529 T-MOBILE USA, INC. 740   2026-10-17   
820-820 4 Santa Barbara CA   6529 T-MOBILE USA, INC. 740   2026-10-17   
820-820 5 Santa Barbara CA   073H TELNYX LLC 740   2026-09-28   
820-820 7 Santa Barbara CA   649C ONVOY, LLC - CA 740   2026-09-27   
820-820 8 Santa Barbara CA   649C ONVOY, LLC - CA 740   2026-09-27   
820-820 9 Santa Barbara CA   649C ONVOY, LLC - CA 740   2026-09-27   

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

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