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.

NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 765

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-765 A Washington Zone 5 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-765 0 Washington Zone 5 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-765 1 Washington Zone 5 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-765 2 Washington Zone 5 MD BTVLMD127MD  5562 METROPCS, INC. 236   2004-02-17   
240-765 3 Washington Zone 5 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-29   
240-765 4 Washington Zone 5 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-11-11   
240-765 5 Washington Zone 5 MD BTVLMD127MD  5562 METROPCS, INC. 236   2004-09-13   
240-765 6 Washington Zone 5 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-765 7 Washington Zone 5 MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   
240-765 8 Washington Zone 5 MD BTVLMD127MD  5562 METROPCS, INC. 236   2005-02-20   
240-765 9 Washington Zone 5 MD BTVLMD127MD  5562 METROPCS, INC. 236   2005-02-20   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.