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: 633

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-633 A Columbus TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
979-633 0 Columbus TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
979-633 3 Columbus TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
979-633 4 Columbus TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
979-633 5 Columbus TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
979-633 6 Columbus TX HSTDTXBGCM5  5562 METROPCS, INC. 560      
979-633 7 Columbus TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
979-633 8 Columbus TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
979-633 9 Columbus TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.