Local Calling Guide

Area code/prefix search

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NPA: 979 [Rate centres in NPA 979] [Dial plan for NPA 979]

NXX: 444

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-444 A Carmine TX HSTQTXRG6MD  139F WORLDCALL INTERCONNECT INC. 560      
979-444 0 Carmine TX   145J TERRA NOVA TELECOM INC. 560   2025-08-15   
979-444 4 Carmine TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560   2021-07-16   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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