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: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 271

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-271 A Dilley TX SNANTXCAHMD  073H TELNYX LLC 566      
830-271 0 Dilley TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
830-271 1 Dilley TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
830-271 2 Dilley TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
830-271 3 Dilley TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
830-271 4 Dilley TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
830-271 5 Dilley TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
830-271 6 Dilley TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
830-271 7 Dilley TX SNANTXCA80Z  624H ONVOY SPECTRUM, LLC 566      
830-271 8 Dilley TX SNANTXCA80Z  624H ONVOY SPECTRUM, LLC 566      
830-271 9 Dilley TX SNANTXCAHMD  073H TELNYX LLC 566      

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.