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: 955

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-955 A Laredo TX SNANTXCA84Z  965H FRACTEL, LLC 566      
956-955 0 Laredo TX SNANTX91X8X  4290 STPCS JOINT VENTURE, LLC 566      
956-955 1 Laredo TX SNANTX91X8X  4290 STPCS JOINT VENTURE, LLC 566      
956-955 2 Laredo TX SNANTX91X8X  4290 STPCS JOINT VENTURE, LLC 566      
956-955 3 Laredo TX SNANTXCA80Z  624H ONVOY SPECTRUM, LLC 566      
956-955 4 Laredo TX SNANTXCA80Z  624H ONVOY SPECTRUM, LLC 566      
956-955 5 Laredo TX SNANTXCA84Z  965H FRACTEL, LLC 566      
956-955 6 Laredo TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
956-955 7 Laredo TX SNANTXCADS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 566      
956-955 8 Laredo TX SNANTXDIX6X  073H TELNYX LLC 566      
956-955 9 Laredo TX SNANTX91X8X  4290 STPCS JOINT VENTURE, LLC 566      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.