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: 280

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-280 A Sabina TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566      
830-280 0 Sabina TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566   2020-05-21   
830-280 1 Sabina TX BLVRTXXA5MD  903C ONVOY, LLC - TX 566   2022-01-08   
830-280 8 Sabina TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2021-05-27   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.