Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Charlie, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
940-544 A OKLATXXADS0  2141 SANTA ROSA TEL COOP INC 548      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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