Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Wann, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
918-531 A WANNOKXARS1  2030 TOTAH COMMUNICATIONS, INC. 538      

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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