ZIP Code 21791 Area Code
Union Bridge, Maryland
Area Code
301, 410, 443
Primary area codes for Maryland (per-ZIP data not available)
Location
| ZIP Code | 21791 |
|---|---|
| City | Union Bridge |
| State | Maryland (MD) |
| County | Carroll |
Frequently Asked Questions
ZIP code 21791 is in Union Bridge, Maryland. The primary area codes for Maryland are 301, 410, 443.
ZIP code 21791 is in Union Bridge, Maryland.