ZIP Code 46537 — Lapaz, IN
46537 is a standard (street delivery) ZIP code serving Lapaz, Indiana, in Marshall 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 46537 at a glance
| ZIP code | 46537 |
|---|---|
| Primary city | Lapaz |
| State | Indiana (IN) |
| County | Marshall FIPS 18099 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 475 |
| Coordinates | 41.457240, -86.306690 |
How ZIP+4 works in 46537
The four digits after the hyphen encode a delivery segment inside 46537. 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 46537 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 46537.
| ZIP | City | Distance |
|---|---|---|
| 46536 | Lakeville, IN | 4.4 mi |
| 46572 | Tyner, IN | 5.6 mi |
| 46506 | Bremen, IN | 7.1 mi |
| 46563 | Plymouth, IN | 7.1 mi |
| 46595 | Wyatt, IN | 8.8 mi |
| 46554 | North Liberty, IN | 9.3 mi |
| 46574 | Walkerton, IN | 9.5 mi |
| 46513 | Donaldson, IN | 9.8 mi |
| 46614 | South Bend, IN | 10.2 mi |
| 46531 | Grovertown, IN | 12.8 mi |
| 46613 | South Bend, IN | 13.7 mi |
| 46573 | Wakarusa, IN | 13.9 mi |
Questions about 46537
What is the ZIP+4 code for 46537?
46537 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 46537, you need to look up a specific street address to get them.
What city is 46537?
46537 is assigned to Lapaz, Indiana, in Marshall 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.