Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 202 [Rate centres in NPA 202] [Dial plan for NPA 202]

NXX: 370

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
202-370 A Washington Zone 1 DC LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-370 0 Washington Zone 1 DC LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-370 1 Washington Zone 1 DC MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2006-08-07   
202-370 2 Washington Zone 1 DC WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2006-10-30   
202-370 3 Washington Zone 1 DC   829J PAETEC ITEL, LLC 236   2005-11-29   
202-370 4 Washington Zone 1 DC LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-370 5 Washington Zone 1 DC LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-370 6 Washington Zone 1 DC   829J PAETEC ITEL, LLC 236   2005-11-29   
202-370 7 Washington Zone 1 DC MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2008-01-13   
202-370 8 Washington Zone 1 DC LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-370 9 Washington Zone 1 DC LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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