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.

NPA: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

NXX: 520

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-520 A Weslaco TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568      
956-520 0 Weslaco TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568      
956-520 1 Weslaco TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568      
956-520 2 Weslaco TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-520 3 Weslaco TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-520 4 Weslaco TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-520 5 Weslaco TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568      
956-520 6 Weslaco TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568      
956-520 7 Weslaco TX   793K TWC IP ENABLED SERVICES, LLC 568      
956-520 8 Weslaco TX   793K TWC IP ENABLED SERVICES, LLC 568      
956-520 9 Weslaco TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.