ZIP Code 20620 – Callaway, Maryland
The 20620 ZIP Code belongs to Callaway, Maryland. The population in this 20620 ZIP code is 1,160. The latitude is 38.23288 and longitude is -76.52196 in 20620 Callaway, Maryland. The time zone for this 20620 ZIP code is America/New_York.
| City | Callaway |
| Zip Code | 20620 |
| State | Maryland |
| County | St. Mary's |
| Population | 1,160 |
| Latitude | 38.23288 |
| Longitude | -76.52196 |
| Time Zone | America/New_York |