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.

Switch: HRLNTXKX8MD

<< 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 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-778 1 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-778 2 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-778 3 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-778 4 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-778 5 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-778 6 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-778 7 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-778 8 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-778 9 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-779 2 Sullivan City TX 4290 STPCS JOINT VENTURE, LLC 568   2025-03-10   
956-779 4 Sullivan City TX 4290 STPCS JOINT VENTURE, LLC 568   2026-05-02   
956-779 5 Sullivan City TX 5562 METROPCS, INC. 568   2023-08-07   
956-780 A Mission TX 4290 STPCS JOINT VENTURE, LLC 568   2024-02-09   
956-780 0 Mission TX 4290 STPCS JOINT VENTURE, LLC 568   2013-09-15   
956-780 1 Mission TX 4290 STPCS JOINT VENTURE, LLC 568   2013-09-15   
956-780 2 Mission TX 4290 STPCS JOINT VENTURE, LLC 568   2013-09-15   
956-780 3 Mission TX 4290 STPCS JOINT VENTURE, LLC 568   2013-09-15   
956-780 4 Mission TX 4290 STPCS JOINT VENTURE, LLC 568   2013-09-15   
956-780 5 Mission TX 4290 STPCS JOINT VENTURE, LLC 568   2013-09-15   
956-780 6 Mission TX 4290 STPCS JOINT VENTURE, LLC 568   2014-12-26   
956-780 8 Mission TX 4290 STPCS JOINT VENTURE, LLC 568   2014-12-26   
956-784 0 Pharr TX 4290 STPCS JOINT VENTURE, LLC 568   2004-07-15   
956-784 1 Pharr TX 4290 STPCS JOINT VENTURE, LLC 568   2004-04-12   
956-784 2 Pharr TX 5562 METROPCS, INC. 568   2003-12-31   
956-784 4 Pharr TX 4290 STPCS JOINT VENTURE, LLC 568   2003-12-31   
956-784 5 Pharr TX 5562 METROPCS, INC. 568   2003-11-26   
956-784 9 Pharr TX 4290 STPCS JOINT VENTURE, LLC 568   2003-10-13   
956-789 A McAllen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-792 A Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-792 0 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-792 1 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-792 2 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-792 3 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-792 4 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-792 5 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-792 6 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-792 7 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-792 8 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-792 9 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-793 A Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-793 0 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-793 1 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-793 2 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-793 3 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-793 4 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-793 5 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-793 6 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-793 7 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-793 8 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      
956-793 9 Harlingen TX 4290 STPCS JOINT VENTURE, LLC 568      

<< 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 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.