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: 313

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-313 A Del Rio TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-313 0 Del Rio TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-313 1 Del Rio TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-313 2 Del Rio TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-313 3 Del Rio TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-313 4 Del Rio TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-313 5 Del Rio TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566   2010-11-12   
830-313 6 Del Rio TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-313 7 Del Rio TX SNANTXCA44Z  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566   2011-01-14   
830-313 8 Del Rio TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-313 9 Del Rio TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566   2010-09-03   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.