ZIP Code 52728 — Buffalo, IA
52728 is a standard (street delivery) ZIP code serving Buffalo, Iowa, in Scott 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 52728 at a glance
| ZIP code | 52728 |
|---|---|
| Primary city | Buffalo |
| State | Iowa (IA) |
| County | Scott FIPS 19163 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 984 |
| Coordinates | 41.459070, -90.725920 |
How ZIP+4 works in 52728
The four digits after the hyphen encode a delivery segment inside 52728. 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 52728 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 52728.
| ZIP | City | Distance |
|---|---|---|
| 61232 | Andalusia, IL | 1.9 mi |
| 52726 | Blue Grass, IA | 4.2 mi |
| 52759 | Montpelier, IA | 4.3 mi |
| 61284 | Taylor Ridge, IL | 4.7 mi |
| 52802 | Davenport, IA | 5.4 mi |
| 52804 | Davenport, IA | 5.8 mi |
| 61201 | Rock Island, IL | 7.9 mi |
| 61264 | Milan, IL | 8 mi |
| 52801 | Davenport, IA | 8.9 mi |
| 61279 | Reynolds, IL | 9.2 mi |
| 52803 | Davenport, IA | 10.4 mi |
| 52806 | Davenport, IA | 10.4 mi |
Questions about 52728
What is the ZIP+4 code for 52728?
52728 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 52728, you need to look up a specific street address to get them.
What city is 52728?
52728 is assigned to Buffalo, Iowa, in Scott 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.