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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-400 A Brenham TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      
979-400 0 Brenham TX HSTNTXJAXBY  965H FRACTEL, LLC 560   2020-07-11   
979-400 1 Brenham TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      
979-400 2 Brenham TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-10-25   
979-400 3 Brenham TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-10-25   
979-400 4 Brenham TX HSTPTXJAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-05-03   
979-400 5 Brenham TX HSTPTXJAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-05-03   
979-400 6 Brenham TX HSTPTXJAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-05-03   
979-400 7 Brenham TX HSTPTXJAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-05-03   
979-400 8 Brenham TX HSTPTXJAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-05-03   
979-400 9 Brenham TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.