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: 444

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-444 A Newbury Park CA LSANCAJWIMD  965H FRACTEL, LLC 730      
820-444 0 Newbury Park CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-08-26   
820-444 1 Newbury Park CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-28   
820-444 2 Newbury Park CA LSANCAJWIMD  965H FRACTEL, LLC 730   2019-03-26   
820-444 3 Newbury Park CA LSANCAJWIMD  965H FRACTEL, LLC 730   2019-03-26   
820-444 4 Newbury Park CA LSANCAJWIMD  965H FRACTEL, LLC 730   2019-03-26   
820-444 5 Newbury Park CA LSANCAJWIMD  965H FRACTEL, LLC 730   2019-03-26   
820-444 6 Newbury Park CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-28   
820-444 7 Newbury Park CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-28   
820-444 8 Newbury Park CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2021-07-22   
820-444 9 Newbury Park CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-28   

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

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