Find the last 4 digits (ZIP+4) for an address in 63045

ZIP 63045, Earth City, MO is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 63045 – Earth City, MO

Earth City, Missouri · St. Louis County · Central time

ZIP code63045
CityEarth City
StateMissouri
CountySt. Louis County
Population0
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area1.79 sq mi
Center (lat, long)38.7696, -90.4640

Area codes in this area

314557

These are the area codes that most often serve ZIP 63045 (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

63302 Saint Charles · 1.4 mi63044 Bridgeton · 1.9 mi63043 Maryland Heights · 2.8 mi63346 Flinthill · 4.1 mi63042 Hazelwood · 4.6 mi63303 Saint Charles · 4.8 mi63146 Saint Louis · 4.8 mi63074 Saint Ann · 5 mi

About ZIP 63045

ZIP code 63045 is assigned to Earth City, Missouri. It lies in St. Louis County. Its Census area covers about 1.79 square miles of land. The closest neighboring ZIP is 63302 (Saint Charles), about 1.4 miles away.

Every address in 63045 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