ZIP code · Saint Louis · Missouri · United States
ZIP code 63143 — Saint Louis
ZIP code 63143 serves Saint Louis, Missouri.
- Postal code
- 63143Single source Value from one source, not cross-checked.
- City
- Saint Louis
- County
- St. Louis
- State
- Missouri
- Country
- United States
- Coordinates
- 38.6111, -90.3225 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 8,968 (ZCTA, ACS 5-year)
- Median household income
- $65,712
- Median age
- 33.6
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area codes
- 314, 557Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page