Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 580 [Rate centres in NPA 580] [Dial plan for NPA 580]

NXX: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-551 A Enid OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536      
580-551 0 Enid OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2022-05-09   
580-551 1 Enid OK   145J TERRA NOVA TELECOM INC. 536   2023-08-10   
580-551 2 Enid OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2012-04-17   
580-551 3 Enid OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2012-04-17   
580-551 5 Enid OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2012-04-17   
580-551 6 Enid OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2024-04-22   
580-551 7 Enid OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2016-06-03   
580-551 8 Enid OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2012-04-17   
580-551 9 Enid OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2007-01-13   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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