ZIP Code 47550 — Lamar, IN
47550 is a standard (street delivery) ZIP code serving Lamar, Indiana, in Spencer 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 47550 at a glance
| ZIP code | 47550 |
|---|---|
| Primary city | Lamar |
| State | Indiana (IN) |
| County | Spencer FIPS 18147 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 791 |
| Coordinates | 38.062130, -86.928770 |
How ZIP+4 works in 47550
The four digits after the hyphen encode a delivery segment inside 47550. 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 47550 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 47550.
| ZIP | City | Distance |
|---|---|---|
| 47579 | Santa Claus, IN | 3.5 mi |
| 47531 | Evanston, IN | 4.6 mi |
| 47552 | Lincoln City, IN | 4.8 mi |
| 47615 | Grandview, IN | 6.4 mi |
| 47611 | Chrisney, IN | 7.5 mi |
| 47588 | Troy, IN | 8.2 mi |
| 47537 | Gentryville, IN | 8.3 mi |
| 47577 | Saint Meinrad, IN | 8.9 mi |
| 47523 | Dale, IN | 9.4 mi |
| 42351 | Lewisport, KY | 11.3 mi |
| 47532 | Ferdinand, IN | 11.5 mi |
| 47586 | Tell City, IN | 12.9 mi |
Questions about 47550
What is the ZIP+4 code for 47550?
47550 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 47550, you need to look up a specific street address to get them.
What city is 47550?
47550 is assigned to Lamar, Indiana, in Spencer 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.