Find the last 4 digits (ZIP+4) for an address in 20818

ZIP 20818, Cabin John, MD is filled in. Just type the street address.

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ZIP Code 20818 – Cabin John, MD

Cabin John, Maryland · Montgomery County · Eastern time

ZIP code20818
CityCabin John
StateMaryland
CountyMontgomery County
Population1,539
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.93 sq mi
Center (lat, long)38.9735, -77.1624

Area codes in this area

227240301

These are the area codes that most often serve ZIP 20818 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

20812 Glen Echo · 1.1 mi20817 Bethesda · 1.7 mi22101 Mc Lean · 2.3 mi20816 Bethesda · 2.5 mi22106 Mc Lean · 2.9 mi22109 Mc Lean · 2.9 mi22107 Mc Lean · 3.1 mi22108 Mc Lean · 3.1 mi

About ZIP 20818

ZIP code 20818 is assigned to Cabin John, Maryland. It lies in Montgomery County. Its Census area covers about 0.93 square miles of land. The closest neighboring ZIP is 20812 (Glen Echo), about 1.1 miles away.

Every address in 20818 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources