ZIP code · Great Mills · Maryland · United States

ZIP code 20634 — Great Mills

Name: Great Mills (20634)
Address: Maryland, 20634, US

ZIP code 20634 serves Great Mills, Maryland.

Postal code: 20634
Single source Value from one source, not cross-checked.
City: Great Mills
County: St. Mary's
State: Maryland
Country: United States
Coordinates: 38.2674, -76.4954 — precision precise (locality)
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Nearby localities

20653Lexington Park · 4.2 km
20619California · 4.8 km
20620Callaway · 5.0 km
20670Patuxent River · 5.2 km
20667Park Hall · 7.2 km
20688Solomons · 7.4 km
20629Dowell · 8.5 km
20692Valley Lee · 8.7 km
20686Saint Marys City · 10 km
20630Drayden · 11 km

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page