ZIP code · Cabin John · Maryland · United States

ZIP code 20818 — Cabin John

Name: Cabin John (20818)
Address: Maryland, 20818, US

ZIP code 20818 serves Cabin John, Maryland.

Postal code: 20818
Single source Value from one source, not cross-checked.
City: Cabin John
County: Montgomery
State: Maryland
Country: United States
Coordinates: 38.9743, -77.1591 — precision precise (locality)
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Nearby localities

20812Glen Echo · 1.5 km
20817Bethesda · 1.8 km
20816Bethesda · 4.2 km
20810Bethesda · 5.1 km
20811Bethesda · 5.1 km
20824Bethesda · 5.1 km
20814Bethesda · 5.7 km
20892Bethesda · 5.7 km
20815Chevy Chase · 6.7 km
20854Potomac · 7.7 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