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.
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OCN: 4290 STPCS JOINT VENTURE, LLC DBA T-MOBILE USA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
956-293 4 Brownsville TX   568   2014-03-08   
956-293 5 Brownsville TX   568   2014-03-08   
956-293 7 Brownsville TX   568   2014-03-08   
956-293 8 Brownsville TX   568   2014-03-08   
956-293 9 Brownsville TX   568   2014-03-08   
956-295 1 Brownsville TX   568   2012-06-24   
956-295 4 Brownsville TX   568   2012-03-10   
956-295 5 Brownsville TX   568   2012-03-10   
956-295 6 Brownsville TX   568   2012-11-13   
956-295 7 Brownsville TX   568   2011-08-27   
956-295 8 Brownsville TX   568   2011-08-27   
956-295 9 Brownsville TX   568   2011-08-27   
956-299 A Port Isabel TX HRLNTXKX3MD  568      
956-299 0 Port Isabel TX   568      
956-299 1 Port Isabel TX   568      
956-299 6 Port Isabel TX   568      
956-299 9 Port Isabel TX   568      
956-301 A Laredo TX   566   2019-03-10   
956-301 9 Laredo TX   566   2019-03-10   
956-319 0 Laredo TX   566   2005-02-06   
956-319 4 Laredo TX   566   2005-04-02   
956-319 5 Laredo TX   566   2005-07-17   
956-319 6 Laredo TX   566   2005-08-22   
956-319 7 Laredo TX   566   2005-12-16   
956-319 8 Laredo TX   566   2005-06-12   
956-321 3 Mission TX   568   2015-08-20   
956-321 5 Mission TX   568   2015-08-20   
956-324 A Laredo TX SNANTX91X8X  566      
956-328 4 McAllen TX   568   2015-01-04   
956-328 8 McAllen TX   568   2015-01-04   
956-335 A Harlingen TX   568      
956-335 7 Harlingen TX   568   2013-09-12   
956-335 8 Harlingen TX   568   2013-09-12   
956-335 9 Harlingen TX   568   2013-09-12   
956-336 3 Brownsville TX   568   2012-10-13   
956-336 4 Brownsville TX   568   2013-06-10   
956-336 5 Brownsville TX   568   2011-03-29   
956-336 6 Brownsville TX   568   2011-03-29   
956-336 7 Brownsville TX   568   2011-03-29   
956-336 8 Brownsville TX   568   2011-10-14   
956-340 6 McAllen TX   568   2013-07-01   
956-340 7 McAllen TX   568   2013-07-01   
956-340 8 McAllen TX   568   2013-07-01   
956-340 9 McAllen TX   568   2013-07-01   
956-351 A Weslaco TX HRLNTXKX3MD  568   2007-04-12   
956-351 0 Weslaco TX   568   2007-05-04   
956-351 9 Weslaco TX   568   2007-04-12   
956-353 3 Roma TX   568   2013-02-16   
956-360 A Mission TX   568   2013-01-23   
956-360 0 Mission TX   568   2013-01-23   

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Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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