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: 979 [Rate centres in NPA 979] [Dial plan for NPA 979]

NXX: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-407 A Sealy TX HSTNTXYAOMD  515J IP HORIZON LLC 560   2024-06-15   
979-407 1 Sealy TX HSTNTXYAOMD  515J IP HORIZON LLC 560   2024-06-15   
979-407 7 Sealy TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2024-12-26   
979-407 9 Sealy TX HSTPTXJAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2024-09-27   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.