Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 361 [Rate centres in NPA 361] [Dial plan for NPA 361]

NXX: 983

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
361-983 A Port O'Connor TX PTOCTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-983 0 Port O'Connor TX   145J TERRA NOVA TELECOM INC. 564   2025-08-17   
361-983 2 Port O'Connor TX PTOCTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-983 4 Port O'Connor TX PTOCTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-983 8 Port O'Connor TX PTLVTXXAPMD  793K TWC IP ENABLED SERVICES, LLC 564   2021-04-27   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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