ZIP Code 21104 Area Code
Marriottsville, Maryland
Area Code
301, 410, 443
Primary area codes for Maryland (per-ZIP data not available)
Location
| ZIP Code | 21104 |
|---|---|
| City | Marriottsville |
| State | Maryland (MD) |
| County | Carroll |
Frequently Asked Questions
ZIP code 21104 is in Marriottsville, Maryland. The primary area codes for Maryland are 301, 410, 443.
ZIP code 21104 is in Marriottsville, Maryland.