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: 616

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-616 A Enid OK ENIDOKMADS0  9533 SOUTHWESTERN BELL 536      
580-616 1 Enid OK ENIDOKMADS0  9533 SOUTHWESTERN BELL 536   2008-09-13   
580-616 2 Enid OK ENIDOKMADS0  9533 SOUTHWESTERN BELL 536   2008-09-13   
580-616 3 Enid OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2020-07-11   
580-616 4 Enid OK ENIDOKMADS0  9533 SOUTHWESTERN BELL 536   2008-09-13   
580-616 5 Enid OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2020-07-11   
580-616 6 Enid OK ENIDOKMADS0  9533 SOUTHWESTERN BELL 536   2008-09-13   
580-616 7 Enid OK ENIDOKMADS0  9533 SOUTHWESTERN BELL 536   2009-05-11   
580-616 8 Enid OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2020-07-11   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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