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: BTVLMD12CM9

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-421 A Washington Zone 10 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-441 A Washington Zone 6 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-486 A Washington Zone 14 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-557 A Washington Zone 6 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-665 A Washington Zone 10 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-810 A Washington Zone 10 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-320 A Triangle VA 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-398 A Occoquan VA 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-412 A Occoquan VA 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-462 A Occoquan VA 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-532 A Manassas VA 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-21   
571-598 A Manassas VA 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-621 A Manassas VA 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-662 A Manassas VA 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-762 A Manassas VA 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-778 A Manassas VA 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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