Union County post codes
Codes
5| Place | Region | County | Code |
|---|---|---|---|
| Alcester | South Dakota (SD) | Union County | 57001 |
| Beresford | South Dakota (SD) | Union County | 57004 |
| Elk Point | South Dakota (SD) | Union County | 57025 |
| Jefferson | South Dakota (SD) | Union County | 57038 |
| North Sioux City | South Dakota (SD) | Union County | 57049 |
About Union County
Union County is in South Dakota (SD), United States. It covers 5 places and 5 post codes in the 5 digits format.
This page contains 5 post code records. Every post code on this page maps to a single place.
Nearby counties include Clay County, Lincoln County, Yankton County. Other counties in South Dakota (SD) include Aurora County, Beadle County, Bennett County.
Addresses in Union County usually include the place, county, state, post code, and country; confirm the local order before mailing.
At a glance
Address example
Postal formats vary by country; these are the address elements.
Shared post codes
Every post code on this page maps to a single place.
Location
FAQ
How many places are in Union County?
5
How many post codes are in Union County?
5
Which state is Union County in?
South Dakota (SD)
What is the post code format?
5 digits