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: WASHDCDP8MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
202-540 A Washington Zone 1 DC 074F BANDWIDTH.COM CLEC, LLC - DC 236   2008-07-19   
202-599 A Washington Zone 1 DC 074F BANDWIDTH.COM CLEC, LLC - DC 236   2011-07-16   
202-618 A Washington Zone 1 DC 074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-04-10   
202-630 A Washington Zone 1 DC 074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-04-30   
202-643 A Washington Zone 1 DC 074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-05-06   
202-656 A Washington Zone 1 DC 074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-05-06   
202-670 A Washington Zone 1 DC 074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-05-06   
202-681 A Washington Zone 1 DC 074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-04-30   
202-743 A Washington Zone 1 DC 074F BANDWIDTH.COM CLEC, LLC - DC 236   2011-09-26   
202-810 A Washington Zone 1 DC 074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-04-12   
240-200 A Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-12-02   
240-428 A Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-630 A Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
301-200 A Indian Head MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-04-25   
571-210 A Arcola VA 079F BANDWIDTH.COM CLEC, LLC - VA 236      
571-306 A Herndon VA 079F BANDWIDTH.COM CLEC, LLC - VA 236      
571-385 A Washington Zone 17 VA 079F BANDWIDTH.COM CLEC, LLC - VA 236      
571-418 A Washington Zone 19 VA 079F BANDWIDTH.COM CLEC, LLC - VA 236      
571-445 A Haymarket VA 079F BANDWIDTH.COM CLEC, LLC - VA 236      
571-732 A Washington Zone 19 VA 079F BANDWIDTH.COM CLEC, LLC - VA 236      
571-781 A Nokesville VA 079F BANDWIDTH.COM CLEC, LLC - VA 236      
571-989 A Dale City VA 079F BANDWIDTH.COM CLEC, LLC - VA 236      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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