ZIP Code 52751 — Grand Mound, IA
52751 is a standard (street delivery) ZIP code serving Grand Mound, Iowa, in Clinton 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 52751 at a glance
| ZIP code | 52751 |
|---|---|
| Primary city | Grand Mound |
| State | Iowa (IA) |
| County | Clinton FIPS 19045 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 976 |
| Coordinates | 41.851900, -90.683980 |
How ZIP+4 works in 52751
The four digits after the hyphen encode a delivery segment inside 52751. 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 52751 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 52751.
| ZIP | City | Distance |
|---|---|---|
| 52729 | Calamus, IA | 4.7 mi |
| 52774 | Welton, IA | 5.9 mi |
| 52037 | Delmar, IA | 8.4 mi |
| 52777 | Wheatland, IA | 8.8 mi |
| 52742 | De Witt, IA | 9 mi |
| 52746 | Donahue, IA | 9.2 mi |
| 52254 | Lost Nation, IA | 9.3 mi |
| 52745 | Dixon, IA | 10.2 mi |
| 52756 | Long Grove, IA | 11.2 mi |
| 52731 | Charlotte, IA | 12.9 mi |
| 52765 | New Liberty, IA | 13.2 mi |
| 52255 | Lowden, IA | 14.3 mi |
Questions about 52751
What is the ZIP+4 code for 52751?
52751 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 52751, you need to look up a specific street address to get them.
What city is 52751?
52751 is assigned to Grand Mound, Iowa, in Clinton 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.