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: 281 [Rate centres in NPA 281] [Dial plan for NPA 281]

NXX: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-301 A Bammel TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-301 0 Bammel TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
281-301 1 Bammel TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
281-301 2 Bammel TX HSTNTXBADS0  9533 SOUTHWESTERN BELL 560      
281-301 3 Bammel TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-301 4 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-301 5 Bammel TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-301 6 Bammel TX HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-301 7 Bammel TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
281-301 8 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-301 9 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.