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.
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Switch: VINNVACB1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
202-792 A Washington Zone 1 DC 513G ATLANTECH ONLINE, INC. - DC 236      
202-792 1 Washington Zone 1 DC 513G ATLANTECH ONLINE, INC. - DC 236   2014-08-18   
240-641 6 Washington Zone 3 MD 361H ATLANTECH ONLINE, INC. - MD 236   2015-12-26   
240-660 9 Washington Zone 10 MD 361H ATLANTECH ONLINE, INC. - MD 236   2015-12-26   
240-740 A Washington Zone 10 MD 361H ATLANTECH ONLINE, INC. - MD 236      
240-740 0 Washington Zone 10 MD 361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 1 Washington Zone 10 MD 361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 2 Washington Zone 10 MD 361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 3 Washington Zone 10 MD 361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 4 Washington Zone 10 MD 361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 5 Washington Zone 10 MD 361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 6 Washington Zone 10 MD 361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 7 Washington Zone 10 MD 361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 8 Washington Zone 10 MD 361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 9 Washington Zone 10 MD 361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
571-444 0 Washington Zone 8 VA 514G ATLANTECH ONLINE OF VIRGINIA, LLC 236   2015-12-25   
571-474 0 Washington Zone 19 VA 514G ATLANTECH ONLINE OF VIRGINIA, LLC 236   2015-12-25   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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