Find the last 4 digits (ZIP+4) for an address in 63084

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ZIP Code 63084 – Union, MO

Union, Missouri · Franklin County · Central time

ZIP code63084
CityUnion
StateMissouri
CountyFranklin County
Population20,708
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area76.26 sq mi
Center (lat, long)38.4219, -91.0193

Area codes in this area

636

These are the area codes that most often serve ZIP 63084 (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

63077 Saint Clair · 6.7 mi63013 Beaufort · 7.3 mi63090 Washington · 8 mi63089 Villa Ridge · 8 mi63039 Gray Summit · 10.6 mi63056 Leslie · 10.7 mi63072 Robertsville · 11.5 mi63079 Stanton · 11.6 mi

About ZIP 63084

ZIP code 63084 is assigned to Union, Missouri. It lies in Franklin County. Its Census area covers about 76.26 square miles of land. The closest neighboring ZIP is 63077 (Saint Clair), about 6.7 miles away.

Every address in 63084 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