ZIP Code 71646 — Hamburg, AR
71646 is a standard (street delivery) ZIP code serving Hamburg, Arkansas, in Ashley 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 71646 at a glance
| ZIP code | 71646 |
|---|---|
| Primary city | Hamburg |
| State | Arkansas (AR) |
| County | Ashley FIPS 05003 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 6,563 |
| Coordinates | 33.204440, -91.778370 |
How ZIP+4 works in 71646
The four digits after the hyphen encode a delivery segment inside 71646. 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 71646 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 71646.
| ZIP | City | Distance |
|---|---|---|
| 71635 | Crossett, AR | 13.7 mi |
| 71642 | Fountain Hill, AR | 14 mi |
| 71658 | Montrose, AR | 14.1 mi |
| 71661 | Parkdale, AR | 15.9 mi |
| 71676 | Wilmot, AR | 16.4 mi |
| 71663 | Portland, AR | 20.4 mi |
| 71250 | Jones, LA | 20.6 mi |
| 71223 | Bonita, LA | 21.8 mi |
| 71647 | Hermitage, AR | 22.8 mi |
| 71220 | Bastrop, LA | 24.8 mi |
| 71747 | Huttig, AR | 27.5 mi |
| 71638 | Dermott, AR | 27.8 mi |
Questions about 71646
What is the ZIP+4 code for 71646?
71646 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 71646, you need to look up a specific street address to get them.
What city is 71646?
71646 is assigned to Hamburg, Arkansas, in Ashley 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.