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.

Brownsville, TX

1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
956-203 A HRLNTXFP2MD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2007-01-15   
956-203 0   004F BANDWIDTH.COM CLEC, LLC - TX 568   2009-02-13   
956-203 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2007-12-09   
956-203 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2009-04-14   
956-203 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2009-04-14   
956-203 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2009-04-14   
956-203 5   6664 SPRINT SPECTRUM L.P. 568   2007-05-10   
956-203 6   6664 SPRINT SPECTRUM L.P. 568   2007-05-10   
956-203 7   6664 SPRINT SPECTRUM L.P. 568   2007-05-10   
956-203 8   6664 SPRINT SPECTRUM L.P. 568   2007-05-10   
956-203 9   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2007-01-15   
956-204 A HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-204 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2010-08-15   
956-204 1   6664 SPRINT SPECTRUM L.P. 568   2007-09-29   
956-204 2   6664 SPRINT SPECTRUM L.P. 568   2007-09-29   
956-204 3   6664 SPRINT SPECTRUM L.P. 568   2007-09-29   
956-204 4   6664 SPRINT SPECTRUM L.P. 568   2007-09-29   
956-204 5   6664 SPRINT SPECTRUM L.P. 568   2007-09-29   
956-204 6   6664 SPRINT SPECTRUM L.P. 568   2007-09-29   
956-204 7   6664 SPRINT SPECTRUM L.P. 568   2007-09-29   
956-204 8   6664 SPRINT SPECTRUM L.P. 568   2007-09-29   
956-204 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-23   
956-214 A MCALTXHBDS0  4866 SMARTCOM TELEPHONE LLC 568      
956-243 A HRLNTXAT1MD  7421 AT&T LOCAL 568      
956-243 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2004-01-18   
956-243 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2005-08-12   
956-243 2   6664 SPRINT SPECTRUM L.P. 568   2005-04-08   
956-243 3   6664 SPRINT SPECTRUM L.P. 568   2005-04-08   
956-243 4   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2005-09-17   
956-243 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2005-10-31   
956-243 6   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2006-02-12   
956-243 7   6664 SPRINT SPECTRUM L.P. 568   2006-04-06   
956-243 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 568   2006-10-02   
956-243 9   7421 AT&T LOCAL 568      
956-266 A HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568      
956-280 A   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-280 0   4290 STPCS JOINT VENTURE, LLC 568   2010-10-18   
956-280 1   4290 STPCS JOINT VENTURE, LLC 568   2010-10-18   
956-280 2   4290 STPCS JOINT VENTURE, LLC 568   2010-10-18   
956-280 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-06-29   
956-280 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-01-05   
956-280 5   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568   2011-01-14   
956-280 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2010-01-21   
956-280 7   5562 METRO PCS, INC. 568   2014-03-13   
956-280 8   5562 METRO PCS, INC. 568   2014-02-24   
956-280 9   4290 STPCS JOINT VENTURE, LLC 568   2014-03-08   
956-293 A   6664 SPRINT SPECTRUM L.P. 568      
956-293 0   4290 STPCS JOINT VENTURE, LLC 568   2009-12-06   
956-293 1   4290 STPCS JOINT VENTURE, LLC 568   2010-08-08   
956-293 2   4290 STPCS JOINT VENTURE, LLC 568   2014-03-08   

1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.