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
956-434 3 Los Fresnos TX HRLNTXKX8MD  568      
956-434 5 Los Fresnos TX HRLNTXKX8MD  568      
956-434 6 Los Fresnos TX HRLNTXKX8MD  568      
956-434 7 Los Fresnos TX HRLNTXKX8MD  568      
956-434 8 Los Fresnos TX HRLNTXKX8MD  568      
956-434 9 Los Fresnos TX HRLNTXKX8MD  568      
956-435 1 Brownsville TX HRLNTXKX8MD  568   2014-04-29   
956-435 2 Brownsville TX HRLNTXKX8MD  568   2014-04-29   
956-435 3 Brownsville TX HRLNTXKX8MD  568   2014-04-29   
956-435 4 Brownsville TX HRLNTXKX8MD  568   2014-04-29   
956-435 5 Brownsville TX HRLNTXKX8MD  568   2014-04-29   
956-435 6 Brownsville TX HRLNTXKX8MD  568   2014-04-29   
956-436 9 Laredo TX SNANTX91X7Y  566   2013-04-05   
956-437 A Roma TX HRLNTXKX8MD  568      
956-437 0 Roma TX HRLNTXKX8MD  568      
956-437 1 Roma TX HRLNTXKX8MD  568      
956-437 2 Roma TX HRLNTXKX8MD  568      
956-437 3 Roma TX HRLNTXKX8MD  568      
956-437 4 Roma TX HRLNTXKX8MD  568      
956-437 5 Roma TX HRLNTXKX8MD  568      
956-437 6 Roma TX HRLNTXKX8MD  568      
956-437 7 Roma TX HRLNTXKX8MD  568      
956-437 8 Roma TX HRLNTXKX8MD  568   2013-01-07   
956-437 9 Roma TX HRLNTXKX8MD  568      
956-439 A Laredo TX SNANTX91X7Y  566      
956-439 0 Laredo TX SNANTX91X7Y  566   2022-09-12   
956-439 1 Laredo TX SNANTX91X7Y  566   2022-09-12   
956-439 2 Laredo TX SNANTX91X7Y  566   2022-09-12   
956-439 3 Laredo TX SNANTX91X7Y  566   2022-09-12   
956-439 4 Laredo TX SNANTX91X7Y  566   2022-09-12   
956-439 5 Laredo TX SNANTX91X7Y  566   2022-09-12   
956-439 6 Laredo TX SNANTX91X7Y  566   2022-09-12   
956-439 7 Laredo TX SNANTX91X7Y  566   2022-09-12   
956-439 8 Laredo TX SNANTX91X7Y  566   2022-09-12   
956-439 9 Laredo TX SNANTX91X7Y  566   2022-09-12   
956-441 3 Laredo TX SNANTX91X7Y  566   2018-09-15   
956-441 4 Laredo TX SNANTX91X7Y  566   2015-11-20   
956-441 5 Laredo TX SNANTX91X7Y  566   2015-11-20   
956-441 6 Laredo TX SNANTX91X7Y  566   2015-11-20   
956-441 7 Laredo TX SNANTX91X7Y  566   2015-11-20   
956-441 8 Laredo TX SNANTX91X7Y  566   2015-11-20   
956-441 9 Laredo TX SNANTX91X7Y  566   2018-09-15   
956-442 5 Brownsville TX HRLNTXKX8MD  568   2014-04-15   
956-442 6 Brownsville TX HRLNTXKX8MD  568   2014-04-15   
956-442 7 Brownsville TX HRLNTXKX8MD  568   2014-04-15   
956-442 8 Brownsville TX HRLNTXKX8MD  568   2014-04-15   
956-445 A Mission TX HRLNTXKX8MD  568      
956-445 0 Mission TX HRLNTXKX8MD  568   2005-08-26   
956-445 2 Mission TX HRLNTXKX8MD  568   2005-10-21   
956-445 3 Mission TX HRLNTXKX8MD  568   2006-01-20   

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

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