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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Channelview, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
832-994 7 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2024-06-24   
832-994 8 HSTDTXBGBMD  5562 METROPCS, INC. 560   2014-04-12   
832-994 9 HSTDTXBGBMD  5562 METROPCS, INC. 560   2014-02-07   

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Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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