Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 4290 STPCS JOINT VENTURE, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
956-499 1 Harlingen TX HRLNTXKX8MD  568      
956-499 2 Harlingen TX HRLNTXKX8MD  568   2022-03-01   
956-499 4 Harlingen TX HRLNTXKX8MD  568      
956-499 5 Harlingen TX HRLNTXKX8MD  568      
956-499 6 Harlingen TX HRLNTXKX8MD  568      
956-499 7 Harlingen TX HRLNTXKX8MD  568      
956-499 8 Harlingen TX HRLNTXKX8MD  568      
956-501 A Harlingen TX HRLNTXKX8MD  568      
956-501 0 Harlingen TX HRLNTXKX8MD  568      
956-501 8 Harlingen TX HRLNTXKX8MD  568      
956-503 7 Donna TX HRLNTXKX8MD  568   2024-11-25   
956-505 0 Brownsville TX HRLNTXKX8MD  568   2021-03-14   
956-505 1 Brownsville TX HRLNTXKX8MD  568   2021-03-14   
956-505 3 Brownsville TX HRLNTXKX8MD  568   2021-03-14   
956-505 4 Brownsville TX HRLNTXKX8MD  568   2021-03-14   
956-509 0 Brownsville TX HRLNTXKX8MD  568   2013-08-15   
956-509 1 Brownsville TX HRLNTXKX8MD  568   2013-08-15   
956-509 3 Brownsville TX HRLNTXKX8MD  568   2013-08-15   
956-509 4 Brownsville TX HRLNTXKX8MD  568   2013-08-15   
956-509 5 Brownsville TX HRLNTXKX8MD  568   2013-08-15   
956-509 6 Brownsville TX HRLNTXKX8MD  568   2013-08-15   
956-515 3 McAllen TX HRLNTXKX8MD  568   2015-01-04   
956-515 5 McAllen TX HRLNTXKX8MD  568   2020-09-07   
956-515 6 McAllen TX HRLNTXKX8MD  568   2020-09-07   
956-515 9 McAllen TX HRLNTXKX8MD  568   2020-09-07   
956-516 0 Laredo TX SNANTX91X7Y  566   2014-10-24   
956-516 1 Laredo TX SNANTX91X7Y  566   2014-10-24   
956-516 2 Laredo TX SNANTX91X7Y  566   2014-10-24   
956-517 A Brownsville TX HRLNTXKX8MD  568      
956-517 0 Brownsville TX HRLNTXKX8MD  568   2009-10-22   
956-517 9 Brownsville TX HRLNTXKX8MD  568   2007-05-25   
956-518 A Brownsville TX HRLNTXKX8MD  568      
956-518 0 Brownsville TX HRLNTXKX8MD  568   2013-09-19   
956-518 9 Brownsville TX HRLNTXKX8MD  568   2013-09-19   
956-520 A Weslaco TX HRLNTXKX8MD  568      
956-520 0 Weslaco TX HRLNTXKX8MD  568   2015-08-21   
956-520 1 Weslaco TX HRLNTXKX8MD  568   2015-08-21   
956-520 5 Weslaco TX HRLNTXKX8MD  568   2015-07-04   
956-520 6 Weslaco TX HRLNTXKX8MD  568   2015-07-04   
956-520 9 Weslaco TX HRLNTXKX8MD  568   2014-11-21   
956-521 A Brownsville TX HRLNTXKX8MD  568      
956-521 9 Brownsville TX HRLNTXKX8MD  568   2007-06-07   
956-522 0 McAllen TX HRLNTXKX8MD  568      
956-522 2 McAllen TX   568      
956-522 3 McAllen TX   568      
956-522 4 McAllen TX   568      
956-522 5 McAllen TX   568      
956-522 6 McAllen TX   568      
956-522 7 McAllen TX   568      
956-522 8 McAllen TX   568      

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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