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: 202 [Rate centres in NPA 202] [Dial plan for NPA 202]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
202-688 A Washington Zone 1 DC RSTNVA91RS0  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2010-05-02   
202-688 0 Washington Zone 1 DC   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2010-05-02   
202-688 1 Washington Zone 1 DC   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2010-05-04   
202-688 2 Washington Zone 1 DC   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2010-06-06   
202-688 3 Washington Zone 1 DC   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2010-06-06   
202-688 4 Washington Zone 1 DC   7445 MCI WORLDCOM COMMUNICATIONS, INC. - DC 236   2010-06-08   
202-688 5 Washington Zone 1 DC   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-07-03   
202-688 6 Washington Zone 1 DC   7421 AT&T LOCAL 236   2010-07-05   
202-688 7 Washington Zone 1 DC   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-07-26   
202-688 8 Washington Zone 1 DC   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-07-26   
202-688 9 Washington Zone 1 DC   6664 SPRINT SPECTRUM L.P. 236   2010-07-20   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.