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: 206

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-206 A Barker TX HSTNTX01DS2  7421 AT&T - LOCAL 560      
281-206 0 Barker TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-05-13   
281-206 1 Barker TX   9533 SOUTHWESTERN BELL 560   2013-12-27   
281-206 2 Barker TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2004-08-13   
281-206 3 Barker TX   5562 METROPCS, INC. 560   2013-11-14   
281-206 4 Barker TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-01-31   
281-206 5 Barker TX   9533 SOUTHWESTERN BELL 560   2013-06-13   
281-206 6 Barker TX   9533 SOUTHWESTERN BELL 560   2013-12-09   
281-206 7 Barker TX   318J COMCAST IP PHONE, LLC 560   2012-10-26   
281-206 8 Barker TX   903C ONVOY, LLC - TX 560   2003-10-01   
281-206 9 Barker TX   7421 AT&T - LOCAL 560      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.