Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
940-359 A   793K TWC IP ENABLED SERVICES, LLC 548      
940-359 1   793K TWC IP ENABLED SERVICES, LLC 548   2023-10-27   
940-524 A PTRLTXXADS0  2043 NORTH TEXAS TEL. CO. 548      
940-529 A BYRSTXXARS0  2043 NORTH TEXAS TEL. CO. 548      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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