ZIP code · Belleville · Illinois · United States

ZIP code 62222 — Belleville

ZIP code 62222 serves Belleville, Illinois.

Postal code: 62222
Single source Value from one source, not cross-checked.
City: Belleville
County: St. Clair
State: Illinois
Country: United States
Coordinates: 38.4400, -89.9835 — 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: 618, 730
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 62222 with another ZIP · ZIPs within 25 miles · distance from 62222

Climate — monthly normals

Warmest month Jul (avg high 90°F), coldest Jan (avg low 24°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	43	49	59	71	79	87	90	89	83	73	58	46
Avg low °F	24	28	36	46	56	65	68	65	57	47	37	28
Precip in	2.6	2.2	3.4	4.9	5.0	4.6	4.0	3.9	3.4	3.1	3.6	2.6

NOAA 1991–2020 climate normals from the nearest station: BELLEVILLE SIU RSCH (9.3 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