Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 979 [Rate centres in NPA 979] [Dial plan for NPA 979]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-999 8 Garwood TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-12-04   
979-999 9 Garwood TX HSTQTXRG6MD  139F WORLDCALL INTERCONNECT INC. 560   2008-08-30   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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