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.

Switch: MCLNVA23DS4

Remotes:

Switch Switch name Switch type
WASHDCRKRSA  WASHINGTON  RS 

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-790 0 Washington Zone 13 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-790 1 Washington Zone 13 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-790 3 Washington Zone 13 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-790 7 Washington Zone 13 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-794 A Lexington Park-Great Mills MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-794 1 Lexington Park-Great Mills MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-812 4 Poolesville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-821 5 Washington Zone 3 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-01-28   
240-821 6 Washington Zone 3 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-01-28   
240-839 4 Washington Zone 3 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2010-06-21   
240-839 6 Washington Zone 3 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2014-04-26   
240-855 0 Washington Zone 2 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-02-01   
240-880 A Washington Zone 11 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-880 1 Washington Zone 11 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-880 3 Washington Zone 11 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-880 4 Washington Zone 11 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-883 A Ashton MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-883 3 Ashton MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-892 A Washington Zone 15 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-892 3 Washington Zone 15 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-897 A Washington Zone 16 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-897 9 Washington Zone 16 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-898 A Washington Zone 4 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-898 2 Washington Zone 4 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-949 2 Washington Zone 16 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
240-949 4 Washington Zone 16 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-08-23   
240-949 6 Washington Zone 16 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
240-949 7 Washington Zone 16 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-05-05   
301-200 4 Indian Head MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2012-04-21   
301-234 6 Washington Zone 16 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-05-16   
301-256 0 Laurel MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-11-16   
301-273 6 Washington Zone 3 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2016-03-03   
301-298 5 Washington Zone 15 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-03-13   
301-328 1 Washington Zone 3 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-12-14   
301-328 8 Washington Zone 3 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-11-07   
301-355 0 Gaithersburg MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2009-10-12   
301-355 2 Gaithersburg MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2011-01-22   
301-358 A Washington Zone 15 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 0 Washington Zone 15 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 1 Washington Zone 15 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 2 Washington Zone 15 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 3 Washington Zone 15 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
301-358 4 Washington Zone 15 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-03-24   
301-358 5 Washington Zone 15 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
301-358 6 Washington Zone 15 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-09-29   
301-358 9 Washington Zone 15 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-407 2 Gaithersburg MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2014-10-23   
301-476 0 Ashton MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2004-12-13   
301-476 1 Ashton MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-20   
301-476 4 Ashton MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-03-24   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.