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: 288

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-288 A Center Point TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566      
830-288 2 Center Point TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2020-11-18   
830-288 6 Center Point TX SNANTXCA88Z  516J TON80 COMMUNICATIONS, LLC 566   2021-09-30   
830-288 8 Center Point TX SNANTXCA84Z  965H FRACTEL, LLC 566   2021-03-25   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.