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: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-363 A Damascus (Hagerstown LATA) MD FRDRMDFRJMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2006-09-28   
301-363 0 Damascus (Hagerstown LATA) MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-10-29   
301-363 1 Damascus (Hagerstown LATA) MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2008-11-26   
301-363 2 Damascus (Hagerstown LATA) MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2011-10-29   
301-363 3 Damascus (Hagerstown LATA) MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 240   2012-11-25   
301-363 4 Damascus (Hagerstown LATA) MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
301-363 5 Damascus (Hagerstown LATA) MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 240   2009-03-06   
301-363 6 Damascus (Hagerstown LATA) MD   7421 AT&T LOCAL 240   2009-04-06   
301-363 7 Damascus (Hagerstown LATA) MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-11-25   
301-363 8 Damascus (Hagerstown LATA) MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 240   2007-04-07   
301-363 9 Damascus (Hagerstown LATA) MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2013-07-26   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.