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: 353

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-353 A Kerrville TX KRVLTXXC3MD  6529 T-MOBILE USA, INC. 566      
830-353 0 Kerrville TX KRVLTXXC3MD  6529 T-MOBILE USA, INC. 566   2010-07-31   
830-353 1 Kerrville TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2012-03-31   
830-353 2 Kerrville TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2012-12-19   
830-353 3 Kerrville TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2014-06-19   
830-353 4 Kerrville TX SNANTXCA41Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2012-08-07   
830-353 5 Kerrville TX SNANTXCA41Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2012-08-07   
830-353 6 Kerrville TX SNANTXCA41Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2012-06-07   
830-353 7 Kerrville TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2014-08-22   
830-353 8 Kerrville TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2019-08-30   
830-353 9 Kerrville TX KRVLTXXC3MD  6529 T-MOBILE USA, INC. 566   2010-07-31   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.