Local Calling Guide

Area code/prefix search

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Tishomingo, OK

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-640 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2025-08-23   

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Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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