ZIP code · Normal · Illinois · United States
ZIP code 61790 — Normal
ZIP code 61790 serves Normal, Illinois.
- Postal code
- 61790Single source Value from one source, not cross-checked.
- City
- Normal
- County
- McLean
- State
- Illinois
- Country
- United States
- Coordinates
- 40.5103, -88.9980 — precision precise (locality)
View on OpenStreetMap - Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 309 (from the nearest rate centre)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 61790 with another ZIP · ZIPs within 25 miles · distance from 61790
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 16°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 38 | 50 | 63 | 74 | 83 | 86 | 84 | 79 | 66 | 50 | 38 |
| Avg low °F | 16 | 19 | 28 | 38 | 50 | 60 | 63 | 61 | 53 | 42 | 31 | 21 |
| Precip in | 2.4 | 2.0 | 2.6 | 3.7 | 4.8 | 4.1 | 4.1 | 3.8 | 3.2 | 3.5 | 2.8 | 2.3 |
NOAA 1991–2020 climate normals from the nearest station: NORMAL 4NE (3.7 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. Data generated on 2026-08-21. Methodology · Report an error on this page