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.

Humble, TX

1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-312 A KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-312 0 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-312 1 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-312 2 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-312 3 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-312 4 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-312 5 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-312 6 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-312 7 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-312 8 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-312 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-07-14   
281-318 A HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-318 0 HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-318 1 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-05-26   
281-318 2 HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2002-10-16   
281-318 3 HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-318 4 HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2008-10-04   
281-318 5 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-318 6 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-318 7 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2009-03-29   
281-318 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-08-18   
281-318 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-08-18   
281-319 A HMBLTXXAPS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-348 A KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-348 0 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-348 1 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-348 2 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-348 3 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-348 4 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-348 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-08-18   
281-348 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-08-18   
281-348 7 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-348 8 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-348 9 KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-358 A KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-359 A KGWDTXXADS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-360 A KGWDTXXCRP0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-361 A KGWDTXXCRP0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-441 A HMBLTXXCDS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-441 0   515J IP HORIZON LLC 560   2013-08-12   
281-441 1 HMBLTXXCDS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-441 2 HMBLTXXCDS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-441 3 HMBLTXXCDS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-441 4 HMBLTXXCDS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-441 5 HMBLTXXCDS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-441 6 HMBLTXXCDS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-441 7 HMBLTXXCDS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-441 8 HMBLTXXCDS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-441 9 HMBLTXXCDS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      
281-446 A HMBLTXXAPS0  2114 CENTRAL TEL. CO. OF TEXAS DBA CENTURYLINK 560      

1 2 3 4 5 6 7 8 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.