ZIP code · Hilo · Hawaii · United States
ZIP code 96721 — Hilo
ZIP code 96721 serves Hilo, Hawaii.
- Postal code
- 96721Single source Value from one source, not cross-checked.
- City
- Hilo
- County
- Hawaii
- State
- Hawaii
- Country
- United States
- Coordinates
- 19.7299, -155.0907 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 12b (55 to 60 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- Pacific/Honolulu (UTC−10, no DST)
- Area code
- 808Telephone 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 96721 with another ZIP · ZIPs within 25 miles · distance from 96721
Nearby localities
Climate — monthly normals
Warmest month Sep (avg high 83°F), coldest Jan (avg low 64°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 79 | 78 | 79 | 79 | 81 | 82 | 83 | 83 | 83 | 82 | 80 | 79 |
| Avg low °F | 64 | 64 | 65 | 66 | 67 | 69 | 70 | 70 | 70 | 69 | 68 | 66 |
| Precip in | 7.9 | 10.2 | 12.7 | 9.4 | 7.0 | 7.3 | 9.2 | 11.3 | 8.7 | 10.2 | 14.4 | 12.1 |
NOAA 1991–2020 climate normals from the nearest station: HILO INTL AP (2.5 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