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: 405 [Rate centres in NPA 405] [Dial plan for NPA 405]

NXX: 402

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-402 A Anadarko OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536      
405-402 0 Anadarko OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2015-03-27   
405-402 1 Anadarko OK   119F BANDWIDTH.COM CLEC, LLC - OK 536   2015-06-26   
405-402 2 Anadarko OK   6529 T-MOBILE USA, INC. 536   2016-04-10   
405-402 3 Anadarko OK   409F ONVOY, LLC - OK 536   2016-03-28   
405-402 4 Anadarko OK   409F ONVOY, LLC - OK 536   2016-03-28   
405-402 5 Anadarko OK   6529 T-MOBILE USA, INC. 536   2015-10-15   
405-402 6 Anadarko OK   6529 T-MOBILE USA, INC. 536   2015-10-15   
405-402 7 Anadarko OK   6529 T-MOBILE USA, INC. 536   2015-10-15   
405-402 8 Anadarko OK   6529 T-MOBILE USA, INC. 536   2013-08-11   
405-402 9 Anadarko OK   6529 T-MOBILE USA, INC. 536   2013-08-11   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.