ZIP Code 20001 – Washington, DC
Washington, District of Columbia · District of Columbia · Eastern time
| ZIP code | 20001 |
|---|---|
| City | Washington |
| State | District of Columbia |
| County | District of Columbia |
| Population | 44,616 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 2.05 sq mi |
| Center (lat, long) | 38.9104, -77.0177 |
Area codes in this area
These are the area codes that most often serve ZIP 20001 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 20001
ZIP code 20001 is assigned to Washington, District of Columbia. It lies in District of Columbia. Its Census area covers about 2.05 square miles of land. The closest neighboring ZIP is 20060 (Washington), about 0.5 miles away.
Every address in 20001 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources