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: 456

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-456 A San Benito TX   4290 STPCS JOINT VENTURE, LLC 568      
956-456 0 San Benito TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-456 1 San Benito TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-456 2 San Benito TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-456 3 San Benito TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-456 4 San Benito TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-456 5 San Benito TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-456 6 San Benito TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-456 7 San Benito TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-456 8 San Benito TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-456 9 San Benito TX   4290 STPCS JOINT VENTURE, LLC 568      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.