Postal reference / United States
20018Washington, District of Columbia
ZIP code 20018 is a United States postal code for Washington, District of Columbia. Its county association is District of Columbia County. The map reference point is at 38.9277, -76.9762.
- State / territory
- District of Columbia
- Recorded place name
- Washington
- County association
- District of Columbia
- Estimated coordinate
- 38.9277, -76.9762
View on OpenStreetMap - ZIP prefix
- 200 · 71 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
Area
- Land area
- 3.018 sq mi (2023 Census Gazetteer)
Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.
Need the last four digits?
ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.
Find ZIP+4Explore District of Columbia
Browse the other 276 ZIP codes recorded for District of Columbia, sorted by code with place and county.
District of Columbia directoryOther ZIP codes in Washington, DC
Washington has 271 ZIP codes in the reference dataset. The 231 not listed here are in the District of Columbia directory.
- 20001District of Columbia
- 20002District of Columbia
- 20003District of Columbia
- 20004District of Columbia
- 20005District of Columbia
- 20006District of Columbia
- 20007District of Columbia
- 20008District of Columbia
- 20009District of Columbia
- 20010District of Columbia
- 20011District of Columbia
- 20012District of Columbia
- 20013District of Columbia
- 20015District of Columbia
- 20016District of Columbia
- 20017District of Columbia
- 20019District of Columbia
- 20020District of Columbia
- 20022District of Columbia
- 20024District of Columbia
- 20026District of Columbia
- 20027District of Columbia
- 20029District of Columbia
- 20030District of Columbia
- 20032District of Columbia
- 20033District of Columbia
- 20035District of Columbia
- 20036District of Columbia
- 20037District of Columbia
- 20038District of Columbia
- 20039District of Columbia
- 20040District of Columbia
- 20041District of Columbia
- 20042District of Columbia
- 20043District of Columbia
- 20044District of Columbia
- 20045District of Columbia
- 20047District of Columbia
- 20049District of Columbia
- 20050District of Columbia
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 20017 | Washington | DC | District of Columbia | 1.1 |
| 20064 | Washington | DC | District of Columbia | 1.1 |
| 20712 | Mount Rainier | MD | Prince George's | 1.2 |
| 20376 | Washington Navy Yard | DC | District of Columbia | 1.3 |
| 20722 | Brentwood | MD | Prince George's | 1.5 |
| 20002 | Washington | DC | District of Columbia | 1.9 |
| 20317 | Washington | DC | District of Columbia | 2.0 |
| 20417 | Washington | DC | District of Columbia | 2.1 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
Verify a mailing address
For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.
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