ZIP Code 52530 — Agency, IA
52530 is a standard (street delivery) ZIP code serving Agency, 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 52530 at a glance
| ZIP code | 52530 |
|---|---|
| Primary city | Agency |
| State | Iowa (IA) |
| County | Wapello FIPS 19179 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 945 |
| Coordinates | 40.989530, -92.294920 |
How ZIP+4 works in 52530
The four digits after the hyphen encode a delivery segment inside 52530. 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 52530 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 52530.
| ZIP | City | Distance |
|---|---|---|
| 52554 | Eldon, IA | 5.4 mi |
| 52533 | Batavia, IA | 7.7 mi |
| 52501 | Ottumwa, IA | 7.9 mi |
| 52560 | Floris, IA | 9.5 mi |
| 52588 | Selma, IA | 11.1 mi |
| 52567 | Libertyville, IA | 12.3 mi |
| 52563 | Hedrick, IA | 12.7 mi |
| 52568 | Martinsburg, IA | 13.2 mi |
| 52548 | Chillicothe, IA | 13.9 mi |
| 52580 | Packwood, IA | 14 mi |
| 52566 | Kirkville, IA | 14.6 mi |
| 52551 | Douds, IA | 15.4 mi |
Questions about 52530
What is the ZIP+4 code for 52530?
52530 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 52530, you need to look up a specific street address to get them.
What city is 52530?
52530 is assigned to Agency, 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.