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: 685

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-685 A Ardmore OK   515J IP HORIZON LLC 536      
580-685 2 Ardmore OK OKCYOKCEXWZ  515J IP HORIZON LLC 536   2026-04-04   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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