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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
202-400 A Washington Zone 1 DC WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-400 0 Washington Zone 1 DC WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-01-08   
202-400 1 Washington Zone 1 DC WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-01-08   
202-400 2 Washington Zone 1 DC MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2011-01-11   
202-400 3 Washington Zone 1 DC MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2011-01-11   
202-400 4 Washington Zone 1 DC BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-01-27   
202-400 5 Washington Zone 1 DC BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-01-27   
202-400 6 Washington Zone 1 DC BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-01-27   
202-400 7 Washington Zone 1 DC BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-01-27   
202-400 8 Washington Zone 1 DC BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-01-27   
202-400 9 Washington Zone 1 DC BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-01-27   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.