ZIP Code 52323 — Oxford Junction, IA
52323 is a standard (street delivery) ZIP code serving Oxford Junction, Iowa, in Jones 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 52323 at a glance
| ZIP code | 52323 |
|---|---|
| Primary city | Oxford Junction |
| State | Iowa (IA) |
| County | Jones FIPS 19105 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 942 |
| Coordinates | 41.984450, -90.953440 |
How ZIP+4 works in 52323
The four digits after the hyphen encode a delivery segment inside 52323. 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 52323 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 52323.
| ZIP | City | Distance |
|---|---|---|
| 52362 | Wyoming, IA | 5.7 mi |
| 52216 | Clarence, IA | 7.8 mi |
| 52254 | Lost Nation, IA | 7.9 mi |
| 52255 | Lowden, IA | 8.4 mi |
| 52207 | Baldwin, IA | 9.8 mi |
| 52320 | Olin, IA | 10 mi |
| 52309 | Monmouth, IA | 10.2 mi |
| 52777 | Wheatland, IA | 10.7 mi |
| 52321 | Onslow, IA | 11 mi |
| 52212 | Center Junction, IA | 11.1 mi |
| 52337 | Stanwood, IA | 12 mi |
| 52312 | Morley, IA | 15 mi |
Questions about 52323
What is the ZIP+4 code for 52323?
52323 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 52323, you need to look up a specific street address to get them.
What city is 52323?
52323 is assigned to Oxford Junction, Iowa, in Jones 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.