zip4lookup

ZIP Code 47524 — Decker, IN

47524 is a standard (street delivery) ZIP code serving Decker, Indiana, in Knox 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.

Free. No account needed.

ZIP code 47524 at a glance

ZIP code47524
Primary cityDecker
StateIndiana (IN)
CountyKnox FIPS 18083
ZIP typeStandard (street delivery)
Time zoneAmerica/Indiana/Vincennes
Population302
Coordinates38.483120, -87.617330

How ZIP+4 works in 47524

The four digits after the hyphen encode a delivery segment inside 47524. In practice one segment usually means:

That is why 47524 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 47524.

ZIPCityDistance
47666 Patoka, IN 4.5 mi
47640 Hazleton, IN 6.7 mi
62410 Allendale, IL 6.9 mi
62460 Saint Francisville, IL 9.5 mi
47670 Princeton, IN 9.9 mi
47591 Vincennes, IN 11.3 mi
47649 Francisco, IN 12.9 mi
62863 Mount Carmel, IL 13.7 mi
47665 Owensville, IN 15.2 mi
47557 Monroe City, IN 16.1 mi
62852 Keensburg, IL 16.3 mi
47648 Fort Branch, IN 16.8 mi

Questions about 47524

What is the ZIP+4 code for 47524?

47524 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 47524, you need to look up a specific street address to get them.

What city is 47524?

47524 is assigned to Decker, Indiana, in Knox 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.

Bulk lookup API docs