Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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OCN: 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
979-824 7 Freeport TX HSTNTX01MMD  560   2009-12-01   
979-888 7 Angleton TX HSTNTX01MMD  560   2011-02-24   
979-997 7 Angleton TX HSTNTX01MMD  560   2010-01-21   

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

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