Skip to content
ZipCodeMap.org

District of Columbia ZIP codes

District of Columbia has 277 ZIP codes (20001–56972) across 3 cities and towns and 1 counties.

ZIP codes
277
With delivery area
57
Population in ZIPs
681,294
Cities & towns
3
Loading map…

Richest ZIP codes in District of Columbia Most expensive ZIP codes

Zoom in to see ZIP code boundaries. Click a dot to open a ZIP code, or anywhere else to see which ZIP it's in.

Largest cities in District of Columbia

District of Columbia ZIP codes by county

Most populated District of Columbia ZIP codes

  1. 20002 Washington – 72,397
  2. 20011 Washington – 67,434
  3. 20019 Washington – 63,380
  4. 20020 Washington – 53,005
  5. 20009 Washington – 50,150
  6. 20001 Washington – 44,616
  7. 20032 Washington – 40,920
  8. 20003 Washington – 37,482
  9. 20016 Washington – 32,730
  10. 20010 Washington – 31,808

All District of Columbia cities and towns

Frequently asked questions

How many ZIP codes are in District of Columbia?

District of Columbia has 277 ZIP codes: 57 with a delivery area and 220 PO Box or single-organization ZIP codes.

What ZIP codes does District of Columbia use?

District of Columbia ZIP codes run from 20001 to 56972.

Which District of Columbia ZIP code has the most people?

ZIP code 20002 in Washington has the largest population, about 72,397 residents (ACS 2020–2024).