ZIP Code 21918 – Conowingo, Maryland
The 21918 ZIP Code belongs to Conowingo, Maryland. The population in this 21918 ZIP code is 4,125. The latitude is 39.68327 and longitude is -76.16662 in 21918 Conowingo, Maryland. The time zone for this 21918 ZIP code is America/New_York.
| City | Conowingo |
| Zip Code | 21918 |
| State | Maryland |
| County | Cecil |
| Population | 4,125 |
| Latitude | 39.68327 |
| Longitude | -76.16662 |
| Time Zone | America/New_York |