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
956-219 9 Edinburg TX HRLNTXKX8MD  568   2007-04-21   
956-220 A Laredo TX SNANTX91X7Y  566      
956-222 7 Mission TX HRLNTXKX8MD  568      
956-222 9 Mission TX HRLNTXKX8MD  568      
956-223 0 Pharr TX HRLNTXKX8MD  568   2005-07-14   
956-223 3 Pharr TX HRLNTXKX8MD  568   2005-03-31   
956-223 5 Pharr TX HRLNTXKX8MD  568   2005-03-31   
956-223 6 Pharr TX HRLNTXKX8MD  568   2005-03-31   
956-223 7 Pharr TX HRLNTXKX8MD  568   2005-01-15   
956-223 8 Pharr TX HRLNTXKX8MD  568   2005-01-15   
956-223 9 Pharr TX HRLNTXKX8MD  568   2005-01-15   
956-225 0 McAllen TX HRLNTXKX8MD  568      
956-225 3 McAllen TX HRLNTXKX8MD  568   2005-03-05   
956-225 4 McAllen TX HRLNTXKX8MD  568   2005-03-05   
956-225 5 McAllen TX HRLNTXKX8MD  568   2005-03-05   
956-225 6 McAllen TX HRLNTXKX8MD  568   2004-11-22   
956-225 7 McAllen TX HRLNTXKX8MD  568   2004-04-29   
956-225 8 McAllen TX HRLNTXKX8MD  568   2006-06-25   
956-225 9 McAllen TX HRLNTXKX8MD  568   2004-11-22   
956-226 A Harlingen TX HRLNTXKX8MD  568      
956-226 0 Harlingen TX HRLNTXKX8MD  568      
956-226 1 Harlingen TX HRLNTXKX8MD  568   2013-02-23   
956-226 2 Harlingen TX HRLNTXKX8MD  568   2013-02-23   
956-226 3 Harlingen TX HRLNTXKX8MD  568   2004-06-20   
956-226 4 Harlingen TX HRLNTXKX8MD  568   2015-01-04   
956-226 5 Harlingen TX HRLNTXKX8MD  568   2015-01-04   
956-226 9 Harlingen TX HRLNTXKX8MD  568   2004-10-03   
956-227 A McAllen TX HRLNTXKX8MD  568      
956-227 0 McAllen TX HRLNTXKX8MD  568      
956-227 1 McAllen TX HRLNTXKX8MD  568      
956-227 2 McAllen TX HRLNTXKX8MD  568      
956-227 3 McAllen TX HRLNTXKX8MD  568      
956-227 4 McAllen TX HRLNTXKX8MD  568      
956-227 5 McAllen TX HRLNTXKX8MD  568      
956-227 6 McAllen TX HRLNTXKX8MD  568      
956-227 7 McAllen TX HRLNTXKX8MD  568      
956-227 8 McAllen TX HRLNTXKX8MD  568      
956-227 9 McAllen TX HRLNTXKX8MD  568      
956-229 5 Laredo TX SNANTX91X7Y  566   2009-06-20   
956-229 7 Laredo TX SNANTX91X7Y  566   2009-06-27   
956-231 3 Laredo TX SNANTX91X7Y  566   2007-09-20   
956-231 4 Laredo TX SNANTX91X7Y  566   2007-09-20   
956-231 6 Laredo TX SNANTX91X7Y  566   2006-03-11   
956-231 7 Laredo TX SNANTX91X7Y  566   2007-09-20   
956-231 8 Laredo TX SNANTX91X7Y  566   2007-09-20   
956-231 9 Laredo TX SNANTX91X7Y  566   2006-01-01   
956-232 6 Raymondville TX HRLNTXKX8MD  568   2022-08-10   
956-234 A San Benito TX HRLNTXKX8MD  568   2024-02-09   
956-234 0 San Benito TX HRLNTXKX8MD  568   2022-02-24   
956-234 1 San Benito TX HRLNTXKX8MD  568   2022-02-24   

<< 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.