Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 405 [Rate centres in NPA 405] [Dial plan for NPA 405]

NXX: 490

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-490 A Anadarko OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536      
405-490 0 Anadarko OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2019-04-12   
405-490 1 Anadarko OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2019-04-12   
405-490 2 Anadarko OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2019-04-12   
405-490 3 Anadarko OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2019-04-12   
405-490 4 Anadarko OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2019-04-12   
405-490 5 Anadarko OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2019-04-12   
405-490 9 Anadarko OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2018-05-28   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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