ZIP code · Iola · Wisconsin · United States
ZIP code 54990 — Iola
ZIP code 54990 serves Iola, Wisconsin.
- Postal code
- 54990Single source Value from one source, not cross-checked.
- City
- Iola
- County
- Waupaca
- State
- Wisconsin
- Country
- United States
- Coordinates
- 44.5080, -89.1307 — precision precise (locality)
View on OpenStreetMap - Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 715Telephone 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 54990 with another ZIP · ZIPs within 25 miles · distance from 54990
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 8°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 25 | 29 | 41 | 55 | 68 | 77 | 82 | 80 | 72 | 58 | 43 | 30 |
| Avg low °F | 8 | 10 | 21 | 33 | 45 | 55 | 59 | 57 | 49 | 37 | 26 | 15 |
| Precip in | 1.4 | 1.1 | 1.9 | 3.4 | 4.1 | 4.5 | 3.8 | 3.9 | 3.3 | 2.6 | 2.1 | 1.7 |
NOAA 1991–2020 climate normals from the nearest station: WAUPACA (11.2 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