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: 667

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-667 A Oxnard CA LSANCAJWIMD  965H FRACTEL, LLC 730      
820-667 0 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
820-667 1 Oxnard CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730      
820-667 2 Oxnard CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730      
820-667 3 Oxnard CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730      
820-667 4 Oxnard CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730      
820-667 5 Oxnard CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730      
820-667 6 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
820-667 7 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
820-667 8 Oxnard CA LSANCAJWIMD  965H FRACTEL, LLC 730      
820-667 9 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.