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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
956-821 1 McAllen TX HRLNTXKX8MD  568      
956-821 2 McAllen TX HRLNTXKX8MD  568      
956-821 3 McAllen TX HRLNTXKX8MD  568      
956-821 4 McAllen TX HRLNTXKX8MD  568      
956-821 5 McAllen TX HRLNTXKX8MD  568      
956-821 6 McAllen TX HRLNTXKX8MD  568      
956-821 7 McAllen TX HRLNTXKX8MD  568      
956-821 8 McAllen TX HRLNTXKX8MD  568      
956-821 9 McAllen TX HRLNTXKX8MD  568      
956-822 0 Brownsville TX HRLNTXKX8MD  568   2021-10-24   
956-822 1 Brownsville TX HRLNTXKX8MD  568   2021-10-24   
956-822 3 Brownsville TX HRLNTXKX8MD  568   2021-10-24   
956-822 4 Brownsville TX HRLNTXKX8MD  568   2021-10-24   
956-822 5 Brownsville TX HRLNTXKX8MD  568   2021-10-24   
956-822 8 Brownsville TX   568   2021-10-29   
956-822 9 Brownsville TX HRLNTXKX8MD  568   2021-10-24   
956-823 7 Donna TX   568   2025-05-02   
956-823 8 Donna TX   568   2025-05-02   
956-823 9 Donna TX   568   2025-05-02   
956-824 A Brownsville TX   568   2025-12-20   
956-824 0 Brownsville TX   568   2025-12-22   
956-824 1 Brownsville TX   568   2025-12-22   
956-824 2 Brownsville TX   568   2025-12-22   
956-824 3 Brownsville TX   568   2025-12-22   
956-824 4 Brownsville TX   568   2025-12-22   
956-824 5 Brownsville TX   568   2025-12-20   
956-824 6 Brownsville TX   568   2025-12-20   
956-824 7 Brownsville TX   568   2025-12-20   
956-824 8 Brownsville TX   568   2025-12-20   
956-824 9 Brownsville TX   568   2025-12-20   
956-826 2 Brownsville TX   568   2026-01-26   
956-826 3 Brownsville TX   568   2026-01-26   
956-826 4 Brownsville TX   568   2026-01-26   
956-826 5 Brownsville TX   568   2026-01-26   
956-826 6 Brownsville TX   568   2026-01-26   
956-826 7 Brownsville TX   568   2026-01-26   
956-826 8 Brownsville TX   568   2026-01-26   
956-826 9 Brownsville TX   568   2026-01-26   
956-827 A McAllen TX HRLNTXKX8MD  568      
956-827 0 McAllen TX HRLNTXKX8MD  568   2007-04-30   
956-827 1 McAllen TX HRLNTXKX8MD  568   2006-10-09   
956-827 2 McAllen TX HRLNTXKX8MD  568   2007-04-30   
956-827 3 McAllen TX HRLNTXKX8MD  568   2007-04-30   
956-827 4 McAllen TX HRLNTXKX8MD  568   2006-12-31   
956-827 5 McAllen TX HRLNTXKX8MD  568   2006-12-31   
956-827 6 McAllen TX HRLNTXKX8MD  568   2006-12-31   
956-827 7 McAllen TX HRLNTXKX8MD  568   2006-11-30   
956-827 8 McAllen TX HRLNTXKX8MD  568   2006-11-30   
956-827 9 McAllen TX HRLNTXKX8MD  568   2006-10-09   
956-828 A McAllen TX HRLNTXKX8MD  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 35 36 37 38 39 40 41 42 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.