ZIP code · Saint Louis · Missouri · United States

ZIP code 63163 — Saint Louis

ZIP code 63163 serves Saint Louis, Missouri.

Postal code: 63163
Single source Value from one source, not cross-checked.
City: Saint Louis
County: St. Louis (city)
State: Missouri
Country: United States
Coordinates: 38.6531, -90.2435 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 7a (0 to 5 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone: America/Chicago (UTC−6 / UTC−5 DST)
Area codes: 314, 557
Telephone 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.

Tools: compare 63163 with another ZIP · ZIPs within 25 miles · distance from 63163

Climate — monthly normals

Warmest month Jul (avg high 90°F), coldest Jan (avg low 25°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	41	46	56	68	77	86	90	89	82	70	56	45
Avg low °F	25	28	38	48	59	67	72	70	62	50	39	30
Precip in	2.7	2.3	3.6	4.8	4.9	4.7	4.2	3.8	3.4	3.2	3.7	2.6

NOAA 1991–2020 climate normals from the nearest station: ST LOUIS SCI CTR (2.1 mi) · NOAA NCEI

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 · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page