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: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-273 A McIntosh SD MCINSDCODS0  9631 QWEST CORPORATION 640      
605-273 0 McIntosh SD MCINSDCODS0  9631 QWEST CORPORATION 640      
605-273 1 McIntosh SD MCINSDCODS0  9631 QWEST CORPORATION 640      
605-273 2 McIntosh SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2012-01-13   
605-273 3 McIntosh SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2012-12-15   
605-273 4 McIntosh SD MCINSDCODS0  9631 QWEST CORPORATION 640      
605-273 5 McIntosh SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2015-07-24   
605-273 6 McIntosh SD SXFLSDCOQMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 640   2016-11-11   
605-273 7 McIntosh SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2009-05-28   
605-273 8 McIntosh SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640   2019-05-23   
605-273 9 McIntosh SD MCINSDCODS0  9631 QWEST CORPORATION 640      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.