Find the last 4 digits (ZIP+4) for an address in 63033

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ZIP Code 63033 – Florissant, MO

Florissant, Missouri · St. Louis County · Central time

ZIP code63033
CityFlorissant
StateMissouri
CountySt. Louis County
Population43,056
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area12.15 sq mi
Center (lat, long)38.7984, -90.2742

Area codes in this area

314557

These are the area codes that most often serve ZIP 63033 (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

63034 Florissant · 3.3 mi63135 Saint Louis · 3.5 mi63136 Saint Louis · 3.8 mi63031 Florissant · 4.4 mi63138 Saint Louis · 4.4 mi63137 Saint Louis · 4.7 mi63140 Saint Louis · 4.9 mi63134 Saint Louis · 5.6 mi

About ZIP 63033

ZIP code 63033 is assigned to Florissant, Missouri. It lies in St. Louis County. Its Census area covers about 12.15 square miles of land. The closest neighboring ZIP is 63034 (Florissant), about 3.3 miles away.

Every address in 63033 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