ZIP Code 56310 — Avon, MN
56310 is a standard (street delivery) ZIP code serving Avon, Minnesota, in Stearns 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 56310 at a glance
| ZIP code | 56310 |
|---|---|
| Primary city | Avon |
| State | Minnesota (MN) |
| County | Stearns FIPS 27145 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 5,431 |
| Coordinates | 45.633990, -94.443520 |
How ZIP+4 works in 56310
The four digits after the hyphen encode a delivery segment inside 56310. 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 56310 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 56310.
| ZIP | City | Distance |
|---|---|---|
| 56321 | Collegeville, MN | 4.5 mi |
| 56374 | Saint Joseph, MN | 5.5 mi |
| 56307 | Albany, MN | 7 mi |
| 56340 | Holdingford, MN | 8.4 mi |
| 56375 | Saint Stephen, MN | 9.4 mi |
| 56377 | Sartell, MN | 10.3 mi |
| 56331 | Freeport, MN | 11.6 mi |
| 56320 | Cold Spring, MN | 11.9 mi |
| 56303 | Saint Cloud, MN | 11.9 mi |
| 56387 | Waite Park, MN | 12 mi |
| 56314 | Bowlus, MN | 12.3 mi |
| 56369 | Rockville, MN | 12.5 mi |
Questions about 56310
What is the ZIP+4 code for 56310?
56310 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 56310, you need to look up a specific street address to get them.
What city is 56310?
56310 is assigned to Avon, Minnesota, in Stearns 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.