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: 820 [Rate centres in NPA 820] [Dial plan for NPA 820]

NXX: 899

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-899 A Santa Maria CA SNBBCAXFXIY  965H FRACTEL, LLC 740      
820-899 0 Santa Maria CA SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2021-04-22   
820-899 1 Santa Maria CA SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2021-07-19   
820-899 2 Santa Maria CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-07-28   
820-899 3 Santa Maria CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-07-28   
820-899 4 Santa Maria CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-07-28   
820-899 5 Santa Maria CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-07-28   
820-899 6 Santa Maria CA SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2023-10-21   
820-899 7 Santa Maria CA SNLOCA01X1Y  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2021-03-31   
820-899 8 Santa Maria CA SNLOCA01X1Y  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2021-03-31   
820-899 9 Santa Maria CA SNBBCAXFXIY  965H FRACTEL, LLC 740   2021-03-14   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.