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: 448

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-448 A Crystal City TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-448 0 Crystal City TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566      
830-448 1 Crystal City TX SNANTXCAHMD  073H TELNYX LLC 566      
830-448 2 Crystal City TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566      
830-448 3 Crystal City TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566      
830-448 4 Crystal City TX   145J TERRA NOVA TELECOM INC. 566      
830-448 5 Crystal City TX SNANTXCA44Z  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566      
830-448 6 Crystal City TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-448 7 Crystal City TX SNANTXCA41Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566      
830-448 8 Crystal City TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-448 9 Crystal City TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.