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: 465

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-465 A Oxnard CA LSANCAJWIMD  965H FRACTEL, LLC 730      
820-465 0 Oxnard CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-28   
820-465 1 Oxnard CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-28   
820-465 2 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2020-10-01   
820-465 3 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2020-10-01   
820-465 5 Oxnard CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2020-11-05   
820-465 6 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2020-11-14   
820-465 7 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2020-11-14   
820-465 8 Oxnard CA LSANCAJWIMD  965H FRACTEL, LLC 730   2020-09-10   
820-465 9 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-01-01   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.