Find the last 4 digits (ZIP+4) for an address in 63017

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ZIP Code 63017 – Chesterfield, MO

Chesterfield, Missouri · St. Louis County · Central time

ZIP code63017
CityChesterfield
StateMissouri
CountySt. Louis County
Population43,243
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area19.26 sq mi
Center (lat, long)38.6563, -90.5419

Area codes in this area

636

These are the area codes that most often serve ZIP 63017 (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

63006 Chesterfield · 2 mi63011 Ballwin · 3.6 mi63022 Ballwin · 4.2 mi63024 Ballwin · 4.2 mi63146 Saint Louis · 4.5 mi63141 Saint Louis · 4.7 mi63303 Saint Charles · 5.8 mi63005 Chesterfield · 6 mi

About ZIP 63017

ZIP code 63017 is assigned to Chesterfield, Missouri. It lies in St. Louis County. Its Census area covers about 19.26 square miles of land. The closest neighboring ZIP is 63006 (Chesterfield), about 2 miles away.

Every address in 63017 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