Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
409-438 A Sour Lake TX 883K AHOI LLC 562   2026-01-04   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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