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: FRDRMDFRPS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-647 6 Clear Spring MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-647 8 Clear Spring MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-648 4 Keedysville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-648 6 Keedysville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-648 7 Keedysville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-648 8 Keedysville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-649 4 Smithsburg MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-649 6 Smithsburg MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-679 4 Friendsville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-679 6 Friendsville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-679 7 Friendsville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-679 9 Friendsville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
301-750 0 Friendsville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
301-799 0 Keedysville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
301-857 0 Clear Spring MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
301-882 0 New Market MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
304-821 0 Inwood WV 5833 CORETEL WEST VIRGINIA, INC. - WV 240      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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