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.

Rosharon EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-369 A RSHRTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-369 0 RSHRTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-369 1 HSTOTX46DS0  7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560   2019-01-03   
281-369 2 RSHRTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-369 3 RSHRTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-369 4 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-04-09   
281-369 5 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2012-04-07   
281-369 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2017-11-04   
281-369 7 HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2008-04-21   
281-369 8 HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2018-11-18   
281-369 9 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2018-03-03   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.