District of Columbia ZIP codes: every city, town and county
277 ZIP codes of District of Columbia (DC), listed by place and by county. Every code of the state starts with 2 or 5.
District of Columbia at a glance
- ZIP codes in this list
- 277
- Lowest and highest
- 20001 to 56972
- First digit
- 2 and 5
- Three-digit prefixes
- 6, from 200 to 569
- Counties or equivalent areas
- 1
- Places named
- 3
- Most codes for one place
- Washington (271)
- Largest ZIP code area
- 20019 Washington, 6.1 sq mi
By county
By city or town
No place in District of Columbia matches. Try fewer letters, or the look-up for the whole country.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. Not connected with the United States Postal Service; for mailing, confirm the address with USPS.