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: 625

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-625 A Laredo TX SNANTXCADS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566      
956-625 0 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
956-625 1 Laredo TX SNANTXCADS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566      
956-625 2 Laredo TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566      
956-625 3 Laredo TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566      
956-625 4 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
956-625 5 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
956-625 6 Laredo TX SNANTXCADS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566      
956-625 7 Laredo TX SNANTX91X3Y  5562 METROPCS, INC. 566      
956-625 8 Laredo TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566      
956-625 9 Laredo TX SNANTXCADS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 566      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.