Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 2801 LEVEL 3 TELECOM OF D.C., LLC - DC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
202-370 A Washington Zone 1 DC LARLMDCC5MD  236      
202-370 0 Washington Zone 1 DC LARLMDCC5MD  236      
202-370 4 Washington Zone 1 DC LARLMDCC5MD  236      
202-370 5 Washington Zone 1 DC LARLMDCC5MD  236      
202-370 8 Washington Zone 1 DC LARLMDCC5MD  236      
202-370 9 Washington Zone 1 DC LARLMDCC5MD  236      
202-372 A Washington Zone 1 DC LARLMDCC5MD  236      
202-372 0 Washington Zone 1 DC LARLMDCC5MD  236      
202-372 9 Washington Zone 1 DC LARLMDCC5MD  236      
202-375 A Washington Zone 1 DC LARLMDCCAMD  236      
202-375 2 Washington Zone 1 DC LARLMDCCAMD  236      
202-375 5 Washington Zone 1 DC LARLMDCC5MD  236      
202-601 A Washington Zone 1 DC LARLMDCC5MD  236      
202-601 1 Washington Zone 1 DC LARLMDCC5MD  236      
202-780 A Washington Zone 1 DC LARLMDCC5MD  236      
202-780 2 Washington Zone 1 DC LARLMDCC5MD  236   2014-09-08   
202-790 5 Washington Zone 1 DC LARLMDCC5MD  236   2015-08-16   
202-854 A Washington Zone 1 DC LARLMDCC5MD  236      
202-854 2 Washington Zone 1 DC LARLMDCC5MD  236   2015-01-15   
202-854 3 Washington Zone 1 DC LARLMDCC5MD  236   2015-01-15   
202-854 4 Washington Zone 1 DC LARLMDCC5MD  236   2015-01-15   
202-854 5 Washington Zone 1 DC LARLMDCC5MD  236   2015-01-15   
202-854 6 Washington Zone 1 DC LARLMDCC5MD  236   2015-01-15   
202-854 7 Washington Zone 1 DC LARLMDCC5MD  236   2015-01-15   
202-856 A Washington Zone 1 DC LARLMDCC5MD  236      
202-864 5 Washington Zone 1 DC LARLMDCC5MD  236   2013-11-29   
202-894 A Washington Zone 1 DC LARLMDCC5MD  236      
202-894 2 Washington Zone 1 DC LARLMDCC5MD  236   2019-07-13   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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