Find the last 4 digits (ZIP+4) for an address in 63042

ZIP 63042, Hazelwood, MO is filled in. Just type the street address.

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ZIP Code 63042 – Hazelwood, MO

Hazelwood, Missouri · St. Louis County · Central time

ZIP code63042
CityHazelwood
StateMissouri
CountySt. Louis County
Population17,813
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area10.35 sq mi
Center (lat, long)38.7813, -90.3791

Area codes in this area

314557

These are the area codes that most often serve ZIP 63042 (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

63031 Florissant · 2.5 mi63044 Bridgeton · 2.8 mi63134 Saint Louis · 3.4 mi63074 Saint Ann · 3.8 mi63140 Saint Louis · 4.1 mi63045 Earth City · 4.6 mi63135 Saint Louis · 4.8 mi63043 Maryland Heights · 5.4 mi

About ZIP 63042

ZIP code 63042 is assigned to Hazelwood, Missouri. It lies in St. Louis County. Its Census area covers about 10.35 square miles of land. The closest neighboring ZIP is 63031 (Florissant), about 2.5 miles away.

Every address in 63042 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