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: 484

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-484 A Brownsville TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568      
956-484 0 Brownsville TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568   2020-03-06   
956-484 1 Brownsville TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568   2020-03-06   
956-484 2 Brownsville TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568   2020-03-06   
956-484 3 Brownsville TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568   2021-03-14   
956-484 4 Brownsville TX HRLNTXKX7MD  5562 METROPCS, INC. 568   2020-03-07   
956-484 5 Brownsville TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568   2021-03-14   
956-484 6 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2020-03-08   
956-484 7 Brownsville TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568   2021-03-14   
956-484 8 Brownsville TX HRLNTXKX7MD  5562 METROPCS, INC. 568   2020-03-07   
956-484 9 Brownsville TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568   2020-03-06   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.