ZIP Codes in Washington D.C.
Browse ZIP codes in Washington D.C., including city, county, area code, population, income, and timezone. This state page is designed to help you move between ZIP lookups, area code lookups, and geographic browsing.
State
Washington D.C.
DC
ZIP codes
290
Area codes
1
About ZIP codes in Washington D.C.
ZIP codes in Washington D.C. can be used to browse local cities, counties, area codes, and population data. This page is a state-level directory for postal lookup and serves as a strong internal hub for deeper ZIP and area code pages.