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: FRDRMDFRAMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-288 4 Thurmont MD 2589 US LEC OF MARYLAND, INC. 240   2014-11-03   
240-500 A Hagerstown MD 2589 US LEC OF MARYLAND, INC. 240      
240-500 1 Hagerstown MD 2589 US LEC OF MARYLAND, INC. 240   2010-12-18   
240-500 2 Hagerstown MD 2589 US LEC OF MARYLAND, INC. 240   2011-06-22   
240-707 3 Hagerstown MD 2589 US LEC OF MARYLAND, INC. 240   2012-06-19   
240-866 4 Hagerstown MD 2589 US LEC OF MARYLAND, INC. 240   2020-08-27   
301-393 1 Hagerstown MD 2589 US LEC OF MARYLAND, INC. 240   2015-05-08   
301-393 6 Hagerstown MD 2589 US LEC OF MARYLAND, INC. 240   2017-04-10   
301-798 1 Damascus (Hagerstown LATA) MD 2589 US LEC OF MARYLAND, INC. 240   2015-02-09   
301-882 6 New Market MD 2589 US LEC OF MARYLAND, INC. 240   2014-10-03   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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