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: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-310 A McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-310 0 McAllen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-310 1 McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-310 2 McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-310 3 McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-310 4 McAllen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-310 5 McAllen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-310 6 McAllen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-310 7 McAllen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-310 8 McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-310 9 McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.