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: ARTNVAARXJY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-530 A Waldorf MD 2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-16   
240-530 2 Waldorf MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-530 3 Waldorf MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-530 4 Waldorf MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-530 6 Waldorf MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-530 9 Waldorf MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-596 6 Ashton MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-596 7 Ashton MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-598 6 Hughesville MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-598 7 Hughesville MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-634 4 Ridge MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-634 5 Ridge MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-634 6 Ridge MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-635 4 Tompkinsville MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-635 5 Tompkinsville MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-635 6 Tompkinsville MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-635 7 Tompkinsville MD 2593 CORE COMMUNICATIONS, INC.- MD 236      
240-744 9 Washington Zone 2 MD 516J TON80 COMMUNICATIONS, LLC 236      
240-966 A Washington Zone 16 MD 516J TON80 COMMUNICATIONS, LLC 236   2024-01-31   
240-966 6 Washington Zone 16 MD 516J TON80 COMMUNICATIONS, LLC 236      
571-360 7 Independent Hill VA 5832 CORETEL VIRGINIA, LLC - VA 236      
571-360 8 Independent Hill VA 5832 CORETEL VIRGINIA, LLC - VA 236      
571-626 A Triangle VA 516J TON80 COMMUNICATIONS, LLC 236      
571-626 2 Triangle VA 516J TON80 COMMUNICATIONS, LLC 236      
571-727 A Lorton VA 516J TON80 COMMUNICATIONS, LLC 236      
571-727 2 Lorton VA 516J TON80 COMMUNICATIONS, LLC 236      
571-788 A Haymarket VA 516J TON80 COMMUNICATIONS, LLC 236      
571-788 8 Haymarket VA 516J TON80 COMMUNICATIONS, LLC 236      
571-866 A Occoquan VA 516J TON80 COMMUNICATIONS, LLC 236      
571-866 2 Occoquan VA 516J TON80 COMMUNICATIONS, LLC 236      
667-322 2 Waterloo (Washington DC LATA) MD 516J TON80 COMMUNICATIONS, LLC 236      

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

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