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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
956-445 6 Mission TX   568   2006-10-14   
956-445 7 Mission TX   568   2007-01-11   
956-445 8 Mission TX   568   2007-02-03   
956-445 9 Mission TX   568   2005-05-06   
956-451 9 McAllen TX   568      
956-453 9 Harlingen TX   568      
956-454 9 Harlingen TX   568      
956-455 9 Brownsville TX   568      
956-456 A San Benito TX HRLNTXKX8MD  568      
956-456 0 San Benito TX   568      
956-456 1 San Benito TX   568      
956-456 2 San Benito TX   568      
956-456 3 San Benito TX   568      
956-456 4 San Benito TX   568      
956-456 5 San Benito TX   568      
956-456 6 San Benito TX   568      
956-456 7 San Benito TX   568      
956-456 8 San Benito TX   568      
956-456 9 San Benito TX   568      
956-458 A Mission TX HRLNTXKX8MD  568      
956-458 0 Mission TX   568      
956-458 1 Mission TX   568      
956-458 2 Mission TX   568      
956-458 3 Mission TX   568      
956-458 4 Mission TX   568      
956-458 5 Mission TX   568      
956-458 6 Mission TX   568      
956-458 7 Mission TX   568      
956-458 8 Mission TX   568      
956-458 9 Mission TX   568      
956-459 3 Brownsville TX   568      
956-459 9 Brownsville TX   568      
956-463 9 Weslaco TX   568      
956-465 8 Brownsville TX   568   2006-03-06   
956-465 9 Brownsville TX   568   2005-04-10   
956-466 A Brownsville TX HRLNTXKX8MD  568      
956-466 0 Brownsville TX   568      
956-466 1 Brownsville TX   568      
956-466 2 Brownsville TX   568      
956-466 3 Brownsville TX   568      
956-466 4 Brownsville TX   568      
956-466 5 Brownsville TX   568      
956-466 6 Brownsville TX   568      
956-466 7 Brownsville TX   568      
956-466 8 Brownsville TX   568      
956-466 9 Brownsville TX   568      
956-467 6 McAllen TX   568   2004-06-29   
956-467 7 McAllen TX   568   2004-06-29   
956-467 8 McAllen TX   568   2004-03-08   
956-467 9 McAllen TX   568   2004-03-08   

<< 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 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.