ZIP Code 52501 — Ottumwa, IA
52501 is a standard (street delivery) ZIP code serving Ottumwa, Iowa, in Wapello 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 52501 at a glance
| ZIP code | 52501 |
|---|---|
| Primary city | Ottumwa |
| State | Iowa (IA) |
| County | Wapello FIPS 19179 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 30,371 |
| Coordinates | 41.038280, -92.432520 |
How ZIP+4 works in 52501
The four digits after the hyphen encode a delivery segment inside 52501. 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 52501 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 52501.
| ZIP | City | Distance |
|---|---|---|
| 52548 | Chillicothe, IA | 6.1 mi |
| 52566 | Kirkville, IA | 7.3 mi |
| 52530 | Agency, IA | 7.9 mi |
| 52536 | Blakesburg, IA | 11.3 mi |
| 52543 | Cedar, IA | 12 mi |
| 52563 | Hedrick, IA | 12.3 mi |
| 52561 | Fremont, IA | 12.6 mi |
| 52554 | Eldon, IA | 12.9 mi |
| 52568 | Martinsburg, IA | 13.5 mi |
| 52553 | Eddyville, IA | 13.9 mi |
| 52533 | Batavia, IA | 14.8 mi |
| 52552 | Drakesville, IA | 15 mi |
Questions about 52501
What is the ZIP+4 code for 52501?
52501 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 52501, you need to look up a specific street address to get them.
What city is 52501?
52501 is assigned to Ottumwa, Iowa, in Wapello 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.