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: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
361-450 A Rockport TX CRCHTXBBBMD  516C AT&T CORP. 564      
361-450 0 Rockport TX   793K TWC IP ENABLED SERVICES, LLC 564   2012-03-29   
361-450 1 Rockport TX   793K TWC IP ENABLED SERVICES, LLC 564   2014-11-08   
361-450 3 Rockport TX   903C ONVOY, LLC - TX 564   2016-03-14   
361-450 4 Rockport TX   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 564   2012-04-15   
361-450 5 Rockport TX   516C AT&T CORP. 564   2011-06-06   
361-450 6 Rockport TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 564   2011-04-11   
361-450 7 Rockport TX   903C ONVOY, LLC - TX 564   2016-03-14   
361-450 8 Rockport TX   793K TWC IP ENABLED SERVICES, LLC 564   2016-06-16   
361-450 9 Rockport TX   939H COMMIO, LLC 564   2024-01-19   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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