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: WASHDCCHDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
202-201 A Washington Zone 1 DC 9211 VERIZON WASHINGTON DC, INC. 236      
202-231 A Washington Zone 1 DC 9211 VERIZON WASHINGTON DC, INC. 236      
202-279 A Washington Zone 1 DC 9211 VERIZON WASHINGTON DC, INC. 236      
202-373 A Washington Zone 1 DC 9211 VERIZON WASHINGTON DC, INC. 236      
202-404 A Washington Zone 1 DC 9211 VERIZON WASHINGTON DC, INC. 236      
202-561 A Washington Zone 1 DC 9211 VERIZON WASHINGTON DC, INC. 236      
202-562 A Washington Zone 1 DC 9211 VERIZON WASHINGTON DC, INC. 236      
202-563 A Washington Zone 1 DC 9211 VERIZON WASHINGTON DC, INC. 236      
202-574 A Washington Zone 1 DC 9211 VERIZON WASHINGTON DC, INC. 236      
202-645 A Washington Zone 1 DC 9211 VERIZON WASHINGTON DC, INC. 236      
202-767 A Washington Zone 1 DC 9211 VERIZON WASHINGTON DC, INC. 236      
202-787 A Washington Zone 1 DC 9211 VERIZON WASHINGTON DC, INC. 236      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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