20604 ZIP Code — Waldorf, MD
Charles County, Maryland
ZIP code 20604 is located in Waldorf, Maryland, within Charles County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 240/301.
0
population
0.00
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
20604 ZIP code map
Cities in ZIP code 20604
Below are the cities the US Postal Service accepts for ZIP code 20604. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Waldorf | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 24 |
| County FIPS | 017 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 38.6247 |
| Longitude | -76.9395 |
| Timezone | Eastern (ET) |
| Area code | 240/301 |