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]

NXX: 620

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-620 A Matagorda TX   515J IP HORIZON LLC 560   2025-06-01   
979-620 1 Matagorda TX   515J IP HORIZON LLC 560   2025-06-01   
979-620 2 Matagorda TX   515J IP HORIZON LLC 560   2025-06-01   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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