ZIP Code 46554 — North Liberty, IN
46554 is a standard (street delivery) ZIP code serving North Liberty, Indiana, in St. Joseph 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 46554 at a glance
| ZIP code | 46554 |
|---|---|
| Primary city | North Liberty |
| State | Indiana (IN) |
| County | St. Joseph FIPS 18141 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 4,405 |
| Coordinates | 41.562520, -86.419470 |
How ZIP+4 works in 46554
The four digits after the hyphen encode a delivery segment inside 46554. 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 46554 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 46554.
| ZIP | City | Distance |
|---|---|---|
| 46365 | Mill Creek, IN | 7 mi |
| 46574 | Walkerton, IN | 7.1 mi |
| 46619 | South Bend, IN | 7.5 mi |
| 46536 | Lakeville, IN | 7.5 mi |
| 46614 | South Bend, IN | 7.7 mi |
| 46537 | Lapaz, IN | 9.3 mi |
| 46613 | South Bend, IN | 10.2 mi |
| 46552 | New Carlisle, IN | 10.5 mi |
| 46572 | Tyner, IN | 10.7 mi |
| 46601 | South Bend, IN | 11.4 mi |
| 46628 | South Bend, IN | 11.8 mi |
| 46371 | Rolling Prairie, IN | 12.2 mi |
Questions about 46554
What is the ZIP+4 code for 46554?
46554 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 46554, you need to look up a specific street address to get them.
What city is 46554?
46554 is assigned to North Liberty, Indiana, in St. Joseph 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.