ZIP Code 20774 Area Code
Upper Marlboro, Maryland
Area Code
301, 410, 443
Primary area codes for Maryland (per-ZIP data not available)
Location
| ZIP Code | 20774 |
|---|---|
| City | Upper Marlboro |
| State | Maryland (MD) |
| County | Prince George's |
Frequently Asked Questions
ZIP code 20774 is in Upper Marlboro, Maryland. The primary area codes for Maryland are 301, 410, 443.
ZIP code 20774 is in Upper Marlboro, Maryland.