Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Kemah, TX

<< 1 2 3 4 5 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-522 2 DCSNTXXAPMD  624H ONVOY SPECTRUM, LLC 560   2020-07-08   
281-522 3 KEMHTXXAH01  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-522 4 DCSNTXXAPMD  624H ONVOY SPECTRUM, LLC 560   2020-07-08   
281-522 5 DCSNTXXAPMD  624H ONVOY SPECTRUM, LLC 560   2020-07-08   
281-522 6 DCSNTXXAPMD  624H ONVOY SPECTRUM, LLC 560   2020-07-08   
281-522 7 DCSNTXXAPMD  624H ONVOY SPECTRUM, LLC 560   2020-07-08   
281-522 8 DCSNTXXAPMD  624H ONVOY SPECTRUM, LLC 560   2021-05-22   
281-522 9 KEMHTXXAH01  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-523 A KEMHTXXBH01  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-524 A KEMHTXXBH01  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-524 0   515J IP HORIZON LLC 560   2016-03-28   
281-524 1   515J IP HORIZON LLC 560   2017-07-14   
281-524 2 DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2020-11-14   
281-524 3 DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2020-11-14   
281-524 4 DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2020-11-14   
281-524 5 KEMHTXXBH01  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-524 6 DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-01-17   
281-524 7 DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-01-17   
281-524 8 DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-01-17   
281-524 9 DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-01-17   
281-532 A KEMHTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-532 0 KEMHTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-532 1 KEMHTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-532 2 KEMHTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-532 3 KEMHTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-532 4   145J TERRA NOVA TELECOM INC. 560   2021-09-28   
281-532 5 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-05-19   
281-532 6 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2013-08-11   
281-532 7 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2009-01-03   
281-532 8 DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2013-05-18   
281-532 9 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-11-05   
281-535 A KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 0 KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 1 KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 2 DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-08-20   
281-535 3 DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-08-20   
281-535 4 KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 5 KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 6 KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 7 KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-535 8 DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-08-20   
281-535 9 KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-538 A KEMHTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-549 A HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-549 0 HSTNTXYAHMD  073H TELNYX LLC 560   2020-12-05   
281-549 1 DCSNTXXAJMD  903C ONVOY, LLC - TX 560   2021-08-20   
281-549 2 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-12-07   
281-549 3 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-549 4 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2008-03-16   
281-549 5 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-04-23   

<< 1 2 3 4 5 >>

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.