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: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-489 A Fort Towson OK OKCYOKCEXXY  516C AT&T CORP. 536      
580-489 0 Fort Towson OK OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536   2025-01-22   
580-489 7 Fort Towson OK OKCYOKCEXXY  516C AT&T CORP. 536   2022-12-19   

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

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