Local Calling Guide

Area code/prefix search

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Madison, OH

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
440-983 8   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320   2015-07-28   
440-983 9   6529 T-MOBILE USA, INC. 320      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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