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: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-356 A Enid OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2024-05-25   
580-356 0 Enid OK OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536   2025-01-22   
580-356 9 Enid OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2024-05-25   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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