Find the last 4 digits (ZIP+4) for an address in 63128

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ZIP Code 63128 – Saint Louis, MO

Saint Louis, Missouri · St. Louis County · Central time

ZIP code63128
CitySaint Louis
StateMissouri
CountySt. Louis County
Population30,540
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area15.65 sq mi
Center (lat, long)38.4920, -90.3866

Area codes in this area

636

These are the area codes that most often serve ZIP 63128 (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

63127 Saint Louis · 3.4 mi63026 Fenton · 4 mi63126 Saint Louis · 4 mi63010 Arnold · 4.3 mi63129 Saint Louis · 4.3 mi63123 Saint Louis · 5 mi63125 Saint Louis · 5.4 mi63122 Saint Louis · 6.3 mi

About ZIP 63128

ZIP code 63128 is assigned to Saint Louis, Missouri. It lies in St. Louis County. Its Census area covers about 15.65 square miles of land. The closest neighboring ZIP is 63127 (Saint Louis), about 3.4 miles away.

Every address in 63128 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