zip4lookup

ZIP Code 83113 — Big Piney, WY

83113 is a standard (street delivery) ZIP code serving Big Piney, Wyoming, in Sublette 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 83113 at a glance

ZIP code83113
Primary cityBig Piney
StateWyoming (WY)
CountySublette FIPS 56035
ZIP typeStandard (street delivery)
Time zoneAmerica/Denver
Population2,431
Coordinates42.551890, -110.252040

How ZIP+4 works in 83113

The four digits after the hyphen encode a delivery segment inside 83113. In practice one segment usually means:

That is why 83113 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 83113.

ZIPCityDistance
83123 La Barge, WY 21.5 mi
83115 Daniel, WY 25.4 mi
82941 Pinedale, WY 35.5 mi

Questions about 83113

What is the ZIP+4 code for 83113?

83113 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 83113, you need to look up a specific street address to get them.

What city is 83113?

83113 is assigned to Big Piney, Wyoming, in Sublette 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