Find the last 4 digits (ZIP+4) for an address in 63138

ZIP 63138, 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 63138 – Saint Louis, MO

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

ZIP code63138
CitySaint Louis
StateMissouri
CountySt. Louis CountySt. Louis city
Population18,233
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area18.54 sq mi
Center (lat, long)38.8011, -90.1924

Area codes in this area

314557

These are the area codes that most often serve ZIP 63138 (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

62048 Hartford · 3.6 mi63137 Saint Louis · 3.7 mi63033 Florissant · 4.4 mi63386 West Alton · 5 mi63136 Saint Louis · 5.3 mi63034 Florissant · 6 mi62087 South Roxana · 6.6 mi63135 Saint Louis · 6.7 mi

About ZIP 63138

ZIP code 63138 is assigned to Saint Louis, Missouri. It crosses 2 counties; most of its land is in St. Louis County. Its Census area covers about 18.54 square miles of land. The closest neighboring ZIP is 62048 (Hartford), about 3.6 miles away.

Every address in 63138 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