Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: WCFLTXFG4MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-905 0 Iowa Park TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 548      
940-942 1 Nocona TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 548   2023-06-04   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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