ZIP Code 20634 Area Code
Great Mills, Maryland
Area Code
301, 410, 443
Primary area codes for Maryland (per-ZIP data not available)
Location
| ZIP Code | 20634 |
|---|---|
| City | Great Mills |
| State | Maryland (MD) |
| County | St. Mary's |
Frequently Asked Questions
ZIP code 20634 is in Great Mills, Maryland. The primary area codes for Maryland are 301, 410, 443.
ZIP code 20634 is in Great Mills, Maryland.