Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Vanderbilt, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
361-284 A VNDRTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-284 0 CRCHTXTUKMD  139F WORLDCALL INTERCONNECT INC. 564   2008-09-12   
361-284 1 PTLVTXXAIMD  903C ONVOY, LLC - TX 564   2023-09-18   
361-284 2 CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2021-04-04   
361-284 3 VNDRTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-284 4 CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2021-07-24   
361-284 5 CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2021-07-31   
361-284 6 CRCHTXTUXWY  508J CENTURYLINK COMMUNICATIONS, LLC 564   2016-05-22   
361-284 7 VNDRTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 564      
361-284 8   145J TERRA NOVA TELECOM INC. 564   2025-08-29   
361-284 9 PTLVTXXAMMD  624H ONVOY SPECTRUM, LLC 564   2024-01-05   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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