ZIP Code 96820 — Honolulu, HI
96820 is a standard (street delivery) ZIP code serving Honolulu, Hawaii, in Honolulu County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 96820 at a glance
| ZIP code | 96820 |
|---|---|
| Primary city | Honolulu |
| State | Hawaii (HI) |
| County | Honolulu FIPS 15003 |
| ZIP type | Standard (street delivery) |
| Time zone | Pacific/Honolulu |
| Coordinates | 21.336330, -157.920710 |
How ZIP+4 works in 96820
The four digits after the hyphen encode a delivery segment inside 96820. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 96820 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Other ZIP codes in Honolulu
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 96820.
| ZIP | City | Distance |
|---|---|---|
| 96818 | Honolulu, HI | 1.3 mi |
| 96853 | Jbphh, HI | 1.3 mi |
| 96860 | Jbphh, HI | 2.3 mi |
| 96858 | Fort Shafter, HI | 2.5 mi |
| 96859 | Tripler Army Medical Center, HI | 2.6 mi |
| 96819 | Honolulu, HI | 3.1 mi |
| 96850 | Honolulu, HI | 4.4 mi |
| 96701 | Aiea, HI | 4.9 mi |
| 96813 | Honolulu, HI | 5.1 mi |
| 96817 | Honolulu, HI | 5.4 mi |
| 96814 | Honolulu, HI | 5.6 mi |
| 96706 | Ewa Beach, HI | 6.2 mi |
Questions about 96820
What is the ZIP+4 code for 96820?
96820 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 96820, you need to look up a specific street address to get them.
What city is 96820?
96820 is assigned to Honolulu, Hawaii, in Honolulu County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.