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: 616

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-616 A Barker TX HSTNTXBRDS0  9533 SOUTHWESTERN BELL 560      
281-616 0 Barker TX HSTNTXBRDS0  9533 SOUTHWESTERN BELL 560      
281-616 1 Barker TX HSTDTXBG8MD  5562 METROPCS, INC. 560      
281-616 2 Barker TX HSTDTXBG8MD  5562 METROPCS, INC. 560      
281-616 3 Barker TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-616 4 Barker TX HSTNTXBRDS0  9533 SOUTHWESTERN BELL 560      
281-616 5 Barker TX HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
281-616 6 Barker TX HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
281-616 7 Barker TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
281-616 8 Barker TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-616 9 Barker TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.