Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
254-575 A   515J IP HORIZON LLC 556   2024-07-22   
254-575 1   515J IP HORIZON LLC 556   2024-07-22   
254-575 2   515J IP HORIZON LLC 556   2024-07-22   
254-875 A WACOTX01DS1  9533 SOUTHWESTERN BELL 556      
254-875 0 WACOTX01XIX  903C ONVOY, LLC - TX 556   2014-09-01   
254-875 1 WACOTXEY1MD  073H TELNYX LLC 556   2019-02-07   
254-875 2 WACOTX01DS1  9533 SOUTHWESTERN BELL 556      
254-875 3 WACOTXWHDMD  516C AT&T CORP. 556   2011-09-12   
254-875 4 WACOTX01XIX  903C ONVOY, LLC - TX 556   2019-10-28   
254-875 5 WACOTX01XIX  903C ONVOY, LLC - TX 556   2019-10-28   
254-875 6   624H ONVOY SPECTRUM, LLC 556   2024-05-06   
254-875 7 KLLNTXXARMD  508J CENTURYLINK COMMUNICATIONS, LLC 556   2014-05-20   
254-875 8   515J IP HORIZON LLC 556   2021-06-05   
254-875 9   145J TERRA NOVA TELECOM INC. 556   2021-01-26   

Last updated: Fri, 28 Jun 2024 03:14:50 UTC

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