Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HSTOTX46DS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
979-943 5 Bay City TX 7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2008-09-05   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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