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 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
956-622 2 Harlingen TX HRLNTXKX8MD  568   2009-01-28   
956-622 6 Harlingen TX HRLNTXKX8MD  568   2011-08-09   
956-622 8 Harlingen TX HRLNTXKX8MD  568   2010-02-20   
956-622 9 Harlingen TX HRLNTXKX8MD  568   2005-04-17   
956-624 A McAllen TX HRLNTXKX8MD  568      
956-626 A San Benito TX HRLNTXKX8MD  568      
956-626 6 San Benito TX HRLNTXKX8MD  568   2011-01-23   
956-626 9 San Benito TX HRLNTXKX8MD  568   2007-06-16   
956-627 7 McAllen TX HRLNTXKX8MD  568   2014-08-15   
956-627 8 McAllen TX HRLNTXKX8MD  568   2014-08-15   
956-627 9 McAllen TX HRLNTXKX8MD  568   2014-08-15   
956-629 1 Laredo TX SNANTX91X7Y  566   2021-04-12   
956-629 2 Laredo TX SNANTX91X7Y  566   2021-04-12   
956-629 3 Laredo TX SNANTX91X7Y  566   2021-04-12   
956-629 4 Laredo TX SNANTX91X7Y  566   2021-04-12   
956-629 6 Laredo TX SNANTX91X7Y  566   2021-04-12   
956-629 7 Laredo TX SNANTX91X7Y  566   2021-04-12   
956-639 A Brownsville TX HRLNTXKX8MD  568      
956-641 2 Brownsville TX HRLNTXKX8MD  568   2020-09-29   
956-643 0 Brownsville TX HRLNTXKX8MD  568   2022-02-13   
956-643 1 Brownsville TX HRLNTXKX8MD  568   2022-02-13   
956-643 5 Brownsville TX HRLNTXKX8MD  568   2022-02-13   
956-643 6 Brownsville TX HRLNTXKX8MD  568   2022-02-13   
956-643 7 Brownsville TX HRLNTXKX8MD  568   2022-02-13   
956-643 8 Brownsville TX HRLNTXKX8MD  568   2022-02-13   
956-643 9 Brownsville TX HRLNTXKX8MD  568   2022-02-13   
956-644 1 Zapata TX HRLNTXKX8MD  568   2021-08-12   
956-644 2 Zapata TX HRLNTXKX8MD  568   2021-08-12   
956-644 3 Zapata TX HRLNTXKX8MD  568   2021-08-12   
956-644 9 Zapata TX HRLNTXKX8MD  568   2021-08-12   
956-645 A Laredo TX SNANTX91X7Y  566      
956-646 4 Donna TX HRLNTXKX8MD  568   2022-01-03   
956-647 6 Weslaco TX HRLNTXKX8MD  568   2007-11-12   
956-648 A McAllen TX HRLNTXKX8MD  568      
956-648 0 McAllen TX HRLNTXKX8MD  568      
956-648 1 McAllen TX HRLNTXKX8MD  568      
956-648 2 McAllen TX HRLNTXKX8MD  568      
956-648 3 McAllen TX HRLNTXKX8MD  568      
956-648 4 McAllen TX HRLNTXKX8MD  568      
956-648 5 McAllen TX HRLNTXKX8MD  568      
956-648 6 McAllen TX HRLNTXKX8MD  568      
956-648 7 McAllen TX HRLNTXKX8MD  568      
956-648 8 McAllen TX HRLNTXKX8MD  568      
956-648 9 McAllen TX HRLNTXKX8MD  568      
956-649 A Laredo TX SNANTX91X7Y  566      
956-649 0 Laredo TX SNANTX91X7Y  566   2022-01-16   
956-649 1 Laredo TX SNANTX91X7Y  566   2022-01-16   
956-649 2 Laredo TX SNANTX91X7Y  566   2022-01-16   
956-649 3 Laredo TX SNANTX91X7Y  566   2022-01-16   
956-649 4 Laredo TX SNANTX91X7Y  566   2022-01-16   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 >>

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.