ZIP Code 52583 — Promise City, IA
52583 is a standard (street delivery) ZIP code serving Promise City, Iowa, in Wayne 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 52583 at a glance
| ZIP code | 52583 |
|---|---|
| Primary city | Promise City |
| State | Iowa (IA) |
| County | Wayne FIPS 19185 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 389 |
| Coordinates | 40.802840, -93.155500 |
How ZIP+4 works in 52583
The four digits after the hyphen encode a delivery segment inside 52583. 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 52583 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 52583.
| ZIP | City | Distance |
|---|---|---|
| 52581 | Plano, IA | 4.9 mi |
| 50165 | Millerton, IA | 8.6 mi |
| 50060 | Corydon, IA | 9.2 mi |
| 52590 | Seymour, IA | 9.5 mi |
| 52574 | Mystic, IA | 9.7 mi |
| 50238 | Russell, IA | 11.7 mi |
| 52569 | Melrose, IA | 13.4 mi |
| 52544 | Centerville, IA | 14.2 mi |
| 50008 | Allerton, IA | 14.8 mi |
| 52549 | Cincinnati, IA | 17 mi |
| 52571 | Moravia, IA | 17.7 mi |
| 50049 | Chariton, IA | 17.8 mi |
Questions about 52583
What is the ZIP+4 code for 52583?
52583 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 52583, you need to look up a specific street address to get them.
What city is 52583?
52583 is assigned to Promise City, Iowa, in Wayne 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.