ZIP code · Honolulu · Hawaii · United States

ZIP code 96820 — Honolulu

ZIP code 96820 serves Honolulu, Hawaii.

Postal code
96820
Single source Value from one source, not cross-checked.
City
Honolulu
County
Honolulu FIPS 15003
State
Hawaii
Country
United States
Coordinates
21.3510, -157.8795 — precision precise (locality)
View on OpenStreetMap
Population
0 (ZCTA, ACS 5-year)
Population density
0 / sq mi
Land area
0.1 sq mi (0.2 km²) (ZCTA, ACS 5-year)
Households
0
Housing units
0
Congressional district
HI-1 (119th Congress)
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
808
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.

Nearby localities

Climate — monthly normals

Warmest month Aug (avg high 89°F), coldest Jan (avg low 67°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F818181838587888988878482
Avg low °F676768707274757675747269
Precip in1.81.92.40.80.80.50.50.80.91.52.32.2

NOAA 1991–2020 climate normals from the nearest station: HONOLULU INTL AP (3.7 mi) · NOAA NCEI

Places in ZIP 96820

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

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 · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page