ZIP Code 96781 — Papaikou, HI
96781 is a standard (street delivery) ZIP code serving Papaikou, Hawaii, in Hawaii 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 96781 at a glance
| ZIP code | 96781 |
|---|---|
| Primary city | Papaikou |
| State | Hawaii (HI) |
| County | Hawaii FIPS 15001 |
| ZIP type | Standard (street delivery) |
| Time zone | Pacific/Honolulu |
| Population | 2,073 |
| Coordinates | 19.800660, -155.181940 |
How ZIP+4 works in 96781
The four digits after the hyphen encode a delivery segment inside 96781. 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 96781 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.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 96781.
| ZIP | City | Distance |
|---|---|---|
| 96710 | Hakalau, HI | 4.4 mi |
| 96728 | Honomu, HI | 5.2 mi |
| 96783 | Pepeekeo, HI | 5.7 mi |
| 96773 | Ninole, HI | 8.6 mi |
| 96720 | Hilo, HI | 9.3 mi |
| 96780 | Papaaloa, HI | 11.7 mi |
| 96764 | Laupahoehoe, HI | 12.8 mi |
| 96774 | Ookala, HI | 14.5 mi |
| 96749 | Keaau, HI | 17.5 mi |
| 96771 | Mountain View, HI | 18.7 mi |
| 96760 | Kurtistown, HI | 19 mi |
| 96776 | Paauilo, HI | 19.3 mi |
Questions about 96781
What is the ZIP+4 code for 96781?
96781 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 96781, you need to look up a specific street address to get them.
What city is 96781?
96781 is assigned to Papaikou, Hawaii, in Hawaii 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.