Zip code 20604: Waldorf, Maryland
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 20604
20604 is a non-residential zip code for Waldorf, Maryland (Charles County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 20604, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Waldorf
- State
- Maryland
- County
- Charles County
- Center point
- 38.5095° N, 76.9817° W
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- PO box or unique zip
Zip codes near 20604
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 20646 | La Plata, MD | 1.3 mi | $131,974 |
| 20677 | Port Tobacco, MD | 3.1 mi | $165,764 |
| 20611 | Bel Alton, MD | 3.8 mi | $151,607 |
| 20675 | Pomfret, MD | 5.4 mi | $127,269 |
| 20695 | White Plains, MD | 5.4 mi | $141,959 |
| 20632 | Faulkner, MD | 6.2 mi | — |
| 20693 | Welcome, MD | 6.7 mi | $126,033 |
| 20602 | Waldorf, MD | 6.9 mi | $107,360 |
| 20617 | Bryantown, MD | 7.4 mi | $104,036 |
| 20603 | Waldorf, MD | 8.3 mi | $137,946 |
| 20622 | Charlotte Hall, MD | 8.5 mi | $124,063 |
| 20643 | Ironsides, MD · PO box | 9 mi | — |
Questions about 20604
What city is zip code 20604?
20604 is assigned to Waldorf, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 20604 in?
20604 is in Charles County, Maryland.
What time zone is 20604 in?
20604 is in Eastern Time.
What zip codes are near 20604?
The closest zip codes to 20604 are 20646, 20677, 20611, 20675, 20695.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 20604, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.