ZIP Code 21758 – Knoxville, Maryland
The 21758 ZIP Code belongs to Knoxville, Maryland. The population in this 21758 ZIP code is 4,238. The latitude is 39.34567 and longitude is -77.66265 in 21758 Knoxville, Maryland. The time zone for this 21758 ZIP code is America/New_York.
| City | Knoxville |
| Zip Code | 21758 |
| State | Maryland |
| County | Washington |
| Population | 4,238 |
| Latitude | 39.34567 |
| Longitude | -77.66265 |
| Time Zone | America/New_York |