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.

OCN: 4290 STPCS JOINT VENTURE, LLC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
956-558 2 McAllen TX HRLNTXKX8MD  568   2021-02-05   
956-558 3 McAllen TX HRLNTXKX8MD  568   2021-02-05   
956-558 4 McAllen TX HRLNTXKX8MD  568   2021-02-05   
956-558 7 McAllen TX HRLNTXKX8MD  568   2021-02-05   
956-558 8 McAllen TX HRLNTXKX8MD  568   2021-02-05   
956-558 9 McAllen TX HRLNTXKX8MD  568   2020-10-12   
956-561 6 Brownsville TX HRLNTXKX8MD  568   2014-12-01   
956-561 7 Brownsville TX HRLNTXKX8MD  568   2014-12-01   
956-561 8 Brownsville TX HRLNTXKX8MD  568   2014-12-01   
956-561 9 Brownsville TX HRLNTXKX8MD  568   2014-12-01   
956-571 A Harlingen TX HRLNTXKX8MD  568      
956-571 0 Harlingen TX HRLNTXKX8MD  568      
956-571 3 Harlingen TX HRLNTXKX8MD  568      
956-571 5 Harlingen TX HRLNTXKX8MD  568      
956-571 6 Harlingen TX HRLNTXKX8MD  568      
956-571 8 Harlingen TX   568      
956-572 5 Brownsville TX   568   2004-03-01   
956-572 7 Brownsville TX   568   2004-09-04   
956-572 8 Brownsville TX   568   2004-12-04   
956-572 9 Brownsville TX HRLNTXKX8MD  568   2004-12-04   
956-575 A Mission TX HRLNTXKX8MD  568      
956-575 0 Mission TX HRLNTXKX8MD  568   2020-10-16   
956-575 1 Mission TX HRLNTXKX8MD  568   2020-10-16   
956-575 2 Mission TX HRLNTXKX8MD  568   2020-10-16   
956-575 3 Mission TX HRLNTXKX8MD  568   2020-10-16   
956-575 4 Mission TX HRLNTXKX8MD  568   2020-10-16   
956-575 5 Mission TX HRLNTXKX8MD  568   2020-10-16   
956-575 6 Mission TX HRLNTXKX8MD  568   2020-10-16   
956-575 7 Mission TX HRLNTXKX8MD  568   2020-10-16   
956-575 8 Mission TX HRLNTXKX8MD  568   2020-10-16   
956-575 9 Mission TX HRLNTXKX8MD  568   2020-10-16   
956-576 A Brownsville TX HRLNTXKX8MD  568      
956-576 0 Brownsville TX HRLNTXKX8MD  568   2020-10-17   
956-576 1 Brownsville TX HRLNTXKX8MD  568   2020-10-17   
956-576 2 Brownsville TX HRLNTXKX8MD  568   2020-10-17   
956-576 3 Brownsville TX HRLNTXKX8MD  568   2020-10-17   
956-576 4 Brownsville TX HRLNTXKX8MD  568   2020-10-17   
956-576 5 Brownsville TX HRLNTXKX8MD  568   2020-10-17   
956-576 6 Brownsville TX HRLNTXKX8MD  568   2020-10-17   
956-576 7 Brownsville TX HRLNTXKX8MD  568   2020-10-17   
956-576 8 Brownsville TX HRLNTXKX8MD  568   2020-10-17   
956-576 9 Brownsville TX HRLNTXKX8MD  568   2020-10-17   
956-578 5 McAllen TX HRLNTXKX8MD  568   2006-06-03   
956-578 7 McAllen TX   568   2006-08-30   
956-578 8 McAllen TX HRLNTXKX8MD  568   2020-09-07   
956-578 9 McAllen TX HRLNTXKX8MD  568   2006-10-14   
956-579 1 Brownsville TX HRLNTXKX8MD  568   2005-06-12   
956-579 2 Brownsville TX HRLNTXKX8MD  568   2005-09-12   
956-579 3 Brownsville TX HRLNTXKX8MD  568   2014-12-01   
956-579 4 Brownsville TX HRLNTXKX8MD  568   2005-12-02   
956-579 5 Brownsville TX HRLNTXKX8MD  568   2005-12-13   
956-579 6 Brownsville TX HRLNTXKX8MD  568   2014-12-01   
956-579 7 Brownsville TX HRLNTXKX8MD  568   2006-02-20   
956-579 8 Brownsville TX HRLNTXKX8MD  568   2006-02-20   
956-579 9 Brownsville TX HRLNTXKX8MD  568   2005-05-02   
956-587 4 Edinburg TX   568   2021-07-17   
956-591 1 Mission TX   568   2020-11-07   
956-591 2 Mission TX   568   2021-01-08   
956-591 3 Mission TX   568   2021-01-08   
956-591 4 Mission TX HRLNTXKX8MD  568   2022-02-13   
956-591 5 Mission TX   568   2020-11-07   
956-592 A Brownsville TX HRLNTXKX8MD  568      
956-592 0 Brownsville TX HRLNTXKX8MD  568      
956-592 1 Brownsville TX HRLNTXKX8MD  568      
956-592 2 Brownsville TX HRLNTXKX8MD  568      
956-592 3 Brownsville TX HRLNTXKX8MD  568      
956-592 4 Brownsville TX HRLNTXKX8MD  568      
956-592 5 Brownsville TX HRLNTXKX8MD  568      
956-592 6 Brownsville TX   568      
956-592 7 Brownsville TX   568      
956-592 8 Brownsville TX   568      
956-592 9 Brownsville TX HRLNTXKX8MD  568      
956-593 7 Weslaco TX HRLNTXKX8MD  568   2021-11-18   
956-593 8 Weslaco TX HRLNTXKX8MD  568   2021-11-18   
956-594 3 Brownsville TX HRLNTXKX8MD  568   2021-10-24   
956-594 9 Brownsville TX HRLNTXKX8MD  568   2022-02-13   
956-595 2 McAllen TX HRLNTXKX8MD  568   2021-08-23   
956-595 3 McAllen TX HRLNTXKX8MD  568   2021-08-23   
956-595 4 McAllen TX HRLNTXKX8MD  568   2021-08-23   
956-596 1 Brownsville TX HRLNTXKX8MD  568   2021-09-24   
956-596 2 Brownsville TX HRLNTXKX8MD  568   2021-09-24   
956-596 3 Brownsville TX HRLNTXKX8MD  568   2021-09-24   
956-596 4 Brownsville TX HRLNTXKX8MD  568   2021-09-24   
956-596 5 Brownsville TX HRLNTXKX8MD  568   2021-09-24   
956-596 6 Brownsville TX HRLNTXKX8MD  568   2021-10-24   
956-596 7 Brownsville TX HRLNTXKX8MD  568   2021-10-24   
956-596 8 Brownsville TX HRLNTXKX8MD  568   2021-10-24   
956-596 9 Brownsville TX HRLNTXKX8MD  568   2021-09-24   
956-597 5 Donna TX   568   2022-01-25   
956-598 A Mission TX HRLNTXKX8MD  568      
956-598 0 Mission TX HRLNTXKX8MD  568   2014-12-26   
956-598 1 Mission TX HRLNTXKX8MD  568   2014-12-26   
956-600 2 Mission TX HRLNTXKX8MD  568   2012-02-03   
956-600 3 Mission TX HRLNTXKX8MD  568   2012-05-24   
956-600 4 Mission TX HRLNTXKX8MD  568   2012-05-24   
956-600 5 Mission TX HRLNTXKX8MD  568   2011-10-24   
956-600 6 Mission TX HRLNTXKX8MD  568   2011-10-24   
956-600 9 Mission TX HRLNTXKX8MD  568   2011-04-23   
956-602 9 Laredo TX SNANTX91X7Y  566   2015-01-04   
956-608 A Laredo TX SNANTX91X7Y  566      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.