ZIP Code 52646 — Oakville, IA
52646 is a standard (street delivery) ZIP code serving Oakville, Iowa, in Des Moines 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 52646 at a glance
| ZIP code | 52646 |
|---|---|
| Primary city | Oakville |
| State | Iowa (IA) |
| County | Des Moines FIPS 19057 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 255 |
| Coordinates | 41.067060, -91.000720 |
How ZIP+4 works in 52646
The four digits after the hyphen encode a delivery segment inside 52646. 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 52646 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 52646.
| ZIP | City | Distance |
|---|---|---|
| 61442 | Keithsburg, IL | 4.7 mi |
| 52637 | Mediapolis, IA | 7.8 mi |
| 61469 | Oquawka, IL | 8.6 mi |
| 61476 | Seaton, IL | 8.9 mi |
| 52653 | Wapello, IA | 10.6 mi |
| 52650 | Sperry, IA | 11.6 mi |
| 61272 | New Boston, IL | 12.5 mi |
| 61453 | Little York, IL | 12.9 mi |
| 61260 | Joy, IL | 13.5 mi |
| 52640 | Morning Sun, IA | 14.8 mi |
| 61437 | Gladstone, IL | 15.1 mi |
| 52601 | Burlington, IA | 15.7 mi |
Questions about 52646
What is the ZIP+4 code for 52646?
52646 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 52646, you need to look up a specific street address to get them.
What city is 52646?
52646 is assigned to Oakville, Iowa, in Des Moines 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.