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: FRDRMDFRXMD

1 2 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-215 A Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 0 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 1 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 3 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-02-07   
240-215 4 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2002-06-28   
240-215 6 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 8 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-236 9 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2015-02-06   
240-240 9 Damascus (Hagerstown LATA) MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2021-11-11   
240-267 2 Hagerstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2017-09-15   
240-284 A Frostburg MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-284 4 Frostburg MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-02-17   
240-284 5 Frostburg MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2006-07-30   
240-307 7 Emmitsburg MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-10-26   
240-329 A Hagerstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-329 0 Hagerstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-329 2 Hagerstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-04-15   
240-329 3 Hagerstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-04-15   
240-329 4 Hagerstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2002-06-28   
240-329 9 Hagerstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-356 A Myersville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-356 0 Myersville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-356 2 Myersville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-07-18   
240-356 4 Myersville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2002-06-28   
240-394 4 Mount Airy MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2008-03-13   
240-415 6 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2011-09-01   
240-436 A Buckeystown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-436 2 Buckeystown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2006-08-21   
240-436 3 Buckeystown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2010-11-20   
240-436 6 Buckeystown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-439 6 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2010-05-09   
240-439 8 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2009-08-13   
240-442 1 Oakland MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2008-02-01   
240-452 4 Hagerstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2011-01-07   
240-469 2 Hagerstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2008-04-11   
240-513 2 Hagerstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2013-11-17   
240-513 4 Hagerstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2015-08-01   
240-566 3 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2002-10-01   
240-566 4 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2002-10-01   
240-566 5 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2006-09-05   
240-569 7 Flintstone MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2017-11-26   
240-574 1 Friendsville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2022-11-06   
240-575 A Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-575 1 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2007-07-03   
240-575 2 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2007-07-27   
240-575 3 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2007-07-27   
240-575 5 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2006-02-20   
240-575 6 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2006-02-20   
240-580 1 Cumberland MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-04-15   
240-580 2 Cumberland MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-04-15   
240-591 4 Hagerstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2020-03-15   
240-594 4 Bittinger MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2020-02-16   
240-608 6 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2014-02-15   
240-617 7 Highfield MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-10-27   
240-647 3 Clear Spring MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2019-06-21   
240-648 5 Keedysville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2019-06-21   
240-651 2 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2014-08-29   
240-651 6 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2014-10-23   
240-651 8 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2014-11-22   
240-655 7 Kitzmiller MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2019-09-15   
240-692 A Grantsville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-692 1 Grantsville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2019-07-21   
240-693 4 Walkersville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2020-12-19   
240-734 7 Smithsburg MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-10-28   
240-772 5 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2012-10-07   
240-772 9 Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2014-06-21   
240-774 7 Lonaconing MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-11-12   
240-775 9 Westernport MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2019-06-21   
240-803 4 Cumberland MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2014-01-17   
240-822 0 New Market MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2022-10-14   
240-862 7 Mount Savage MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-11-12   
240-874 2 Thurmont MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2022-07-03   
240-891 A Damascus (Hagerstown LATA) MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-891 2 Damascus (Hagerstown LATA) MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2022-02-10   
240-891 4 Damascus (Hagerstown LATA) MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2024-07-14   
240-891 5 Damascus (Hagerstown LATA) MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2022-03-12   
240-920 A Cumberland MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-920 0 Cumberland MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-934 2 Middletown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2022-10-27   
240-979 A Cumberland MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-979 0 Cumberland MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-979 4 Cumberland MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-06-10   
240-979 9 Cumberland MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-996 A Brunswick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-996 7 Brunswick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-12-16   
240-998 6 Hancock MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2019-06-21   
301-223 0 Williamsport MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-10-16   
301-363 A Damascus (Hagerstown LATA) MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
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 4 Damascus (Hagerstown LATA) MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
301-533 7 Oakland MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2008-02-13   
301-703 A Mount Airy MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
301-703 2 Mount Airy MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2006-05-20   
301-703 9 Mount Airy MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-02-17   
301-745 2 Hagerstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-04-16   
301-786 6 McCoole MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-11-12   
301-798 5 Damascus (Hagerstown LATA) MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2012-11-03   
301-798 6 Damascus (Hagerstown LATA) MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2014-01-31   
301-859 A Oakland MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      

1 2 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.