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: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-303 A Elk City OK EKCYOKMARS1  9533 SOUTHWESTERN BELL 536      
580-303 0 Elk City OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-303 1 Elk City OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2014-03-20   
580-303 2 Elk City OK   409F ONVOY, LLC - OK 536   2016-06-26   
580-303 3 Elk City OK   409F ONVOY, LLC - OK 536   2018-05-16   
580-303 4 Elk City OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2006-04-29   
580-303 5 Elk City OK   409F ONVOY, LLC - OK 536   2016-06-26   
580-303 6 Elk City OK   409F ONVOY, LLC - OK 536   2016-06-26   
580-303 7 Elk City OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2008-06-25   
580-303 8 Elk City OK   6272 UNITED STATES CELLULAR - OK 536   2006-10-04   
580-303 9 Elk City OK   9533 SOUTHWESTERN BELL 536      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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