Find the last 4 digits (ZIP+4) for an address in 63109

ZIP 63109, Saint Louis, 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 63109 – Saint Louis, MO

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

ZIP code63109
CitySaint Louis
StateMissouri
CountySt. Louis city
Population25,236
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area3.54 sq mi
Center (lat, long)38.5846, -90.2944

Area codes in this area

314557

These are the area codes that most often serve ZIP 63109 (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

63116 Saint Louis · 1.6 mi63139 Saint Louis · 1.8 mi63143 Saint Louis · 2.4 mi63119 Saint Louis · 3 mi63111 Saint Louis · 3 mi63123 Saint Louis · 3.1 mi63110 Saint Louis · 3.2 mi63117 Saint Louis · 3.7 mi

About ZIP 63109

ZIP code 63109 is assigned to Saint Louis, Missouri. It lies in St. Louis city. Its Census area covers about 3.54 square miles of land. The closest neighboring ZIP is 63116 (Saint Louis), about 1.6 miles away.

Every address in 63109 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