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.
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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 OKCYOKXDAMD  6664 SPRINT SPECTRUM L.P. 536      
580-551 1 Enid OK   6664 SPRINT SPECTRUM L.P. 536   2012-04-17   
580-551 2 Enid OK   6664 SPRINT SPECTRUM L.P. 536   2012-04-17   
580-551 3 Enid OK   6664 SPRINT SPECTRUM L.P. 536   2012-04-17   
580-551 4 Enid OK   6664 SPRINT SPECTRUM L.P. 536   2012-04-17   
580-551 5 Enid OK   6664 SPRINT SPECTRUM L.P. 536   2012-04-17   
580-551 6 Enid OK   145J TERRA NOVA TELECOM INC. 536   2020-05-13   
580-551 7 Enid OK   6664 SPRINT SPECTRUM L.P. 536   2016-06-03   
580-551 8 Enid OK   6664 SPRINT SPECTRUM L.P. 536   2012-04-17   
580-551 9 Enid OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2007-01-13   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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