57355 ZIP Code: Kimball, South Dakota
ZIP code 57355 covers Kimball, South Dakota. It sits in Brule County. A ZIP code is a US Postal Service mail route, not a boundary on a map, so it describes where post is delivered rather than an administrative area.
| ZIP code | 57355 |
|---|---|
| Place | Kimball |
| State | South Dakota (SD) |
| County or equivalent | Brule County |
| Phone area codes in South Dakota | 1 |
| Country | United States |
Phone area codes in South Dakota
ZIP codes and area codes are separate systems drawn for different purposes, so no ZIP code maps to exactly one area code. These are every geographic code used across South Dakota.
ZIP codes near 57355
- 57370 Pukwanaabout 11 miles
- 57383 White Lakeabout 13 miles
- 57325 Chamberlainabout 18 miles
- 57326 Chamberlainabout 19 miles
- 57365 Oacomaabout 22 miles
- 57369 Platteabout 22 miles
- 57341 Gann Valleyabout 23 miles
- 57368 Plankintonabout 24 miles
Distances are straight-line, between the approximate centres of each delivery area.
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Frequently asked questions
Where is ZIP code 57355?
ZIP code 57355 is in Kimball, South Dakota, in Brule County. ZIP codes are mail delivery routes rather than mapped regions, so the code identifies a set of addresses the Postal Service serves together, not a district with fixed borders.
What county is 57355 in?
57355 is in Brule County, South Dakota. A single ZIP code can straddle a county line, because mail routes were drawn for delivery efficiency and take no notice of county boundaries, so the county shown is the one the code is primarily associated with.
What area code goes with ZIP code 57355?
ZIP codes and telephone area codes are separate systems with different boundaries, so no ZIP code maps to exactly one area code. South Dakota uses 1 geographic area code: 605.
Is 57355 a real ZIP code?
Yes. 57355 appears in the GeoNames postal-code dataset as an active US code assigned to Kimball, South Dakota. Codes that have been retired or never issued do not appear, which is why entering one on this site returns a not-found page rather than a blank record.
Why do ZIP code boundaries look odd on maps?
Because they are not boundaries. A ZIP code is a collection of mail routes, and a route is a line a carrier walks or drives, not an area. Any ZIP code map you have seen is somebody's approximation drawn around the addresses in a code, which is also why two ZIP code maps rarely agree with each other.
Can two addresses in the same ZIP code be in different cities?
Yes, routinely. The Postal Service assigns a preferred city name to each code for addressing purposes, and that name often covers several neighbouring towns, unincorporated areas or a whole postal district. The place shown here is the one the source names for the code, not a claim that every address in it is inside that town's limits.
ZIP code, place, county and location data from GeoNames, used under CC BY 4.0, extracted 2026-08-22. ZIP codes are Postal Service delivery routes, not administrative areas, so a code can cross city and county lines and the place name shown is the one the source records for the code. Coordinates are an approximate centre of the delivery area, not a precise location. Population and time zone are not shown because the source does not publish them.