zip4lookup

ZIP Code 57756 — Manderson, SD

57756 is a standard (street delivery) ZIP code serving Manderson, South Dakota, in Oglala Lakota 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 57756 at a glance

ZIP code57756
Primary cityManderson
StateSouth Dakota (SD)
CountyOglala Lakota FIPS 46102
ZIP typeStandard (street delivery)
Time zoneAmerica/Denver
Population1,089
Coordinates43.237290, -102.475440

How ZIP+4 works in 57756

The four digits after the hyphen encode a delivery segment inside 57756. In practice one segment usually means:

That is why 57756 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 57756.

ZIPCityDistance
57794 Wounded Knee, SD 8.7 mi
57770 Pine Ridge, SD 13.5 mi
57764 Oglala, SD 14.1 mi
57716 Batesland, SD 17 mi
57772 Porcupine, SD 17 mi
57752 Kyle, SD 19.2 mi
69365 Whiteclay, NE 20 mi
57714 Allen, SD 28.7 mi
57722 Buffalo Gap, SD 29.6 mi
69360 Rushville, NE 34.1 mi
57750 Interior, SD 36.5 mi
69337 Chadron, NE 36.6 mi

Questions about 57756

What is the ZIP+4 code for 57756?

57756 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 57756, you need to look up a specific street address to get them.

What city is 57756?

57756 is assigned to Manderson, South Dakota, in Oglala Lakota 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