Local Calling Guide

Area code/prefix search

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NPA: 539 [Rate centres in NPA 539] [Dial plan for NPA 539]

NXX: 258

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
539-258 A Buffalo Valley OK TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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