ZIP code · Mililani · Hawaii · United States
ZIP code 96789 — Mililani
ZIP code 96789 serves Mililani, Hawaii.
- Postal code
- 96789Single source Value from one source, not cross-checked.
- City
- Mililani
- County
- Honolulu
- State
- Hawaii
- Country
- United States
- Coordinates
- 21.4531, -158.0174 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 54,608 (ZCTA, ACS 5-year)
- Median household income
- $125,822
- Median age
- 42
Nearby localities
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 · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page