ZIP code · Boone · Iowa · United States
ZIP code 50099 — Boone
ZIP code 50099 serves Boone, Iowa.
- Postal code
- 50099Single source Value from one source, not cross-checked.
- City
- Boone
- County
- Boone
- State
- Iowa
- Country
- United States
- Coordinates
- 42.0597, -93.8802 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 5a (-20 to -15 °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 code
- 515Telephone 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 50099 with another ZIP · ZIPs within 25 miles · distance from 50099
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 9°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 33 | 46 | 60 | 71 | 81 | 84 | 82 | 76 | 63 | 47 | 34 |
| Avg low °F | 9 | 13 | 26 | 37 | 49 | 59 | 63 | 61 | 52 | 39 | 27 | 16 |
| Precip in | 1.2 | 1.4 | 2.3 | 4.1 | 5.2 | 5.4 | 4.8 | 4.9 | 3.3 | 3.0 | 2.1 | 1.6 |
NOAA 1991–2020 climate normals from the nearest station: BOONE (1.4 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