Union postal codes — South Dakota, United States
1 locality and postal code in Union, within United States's three-level hierarchy.
Union postal codes
| Country | State | City | City | ZIP | Latitude | Longitude | Timezone |
|---|---|---|---|---|---|---|---|
| United States | South Dakota | Union | North Sioux City | 57049 | 42.524683 | -96.487238 | America/Chicago |
Complete dataset
60,000 rows available in United States
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Get full database →About Union
Union is a city of South Dakota, United States.
How postal codes work in Union
United States uses a single national postal-code format, written as 99999. Five digits, numeric only. Codes in Union follow that format like everywhere else in the country, for example 57049 for North Sioux City.
Every code listed here for Union begins with the prefix 57, which groups its delivery areas together within United States's national numbering.
Postal codes across United States, Union included, are issued and maintained by United States Postal Service (USPS).
Addressing format
Addresses in United States are written [House number] [Street name], [City] [Region] [Postal code], and an address in Union follows that same order:
What this dataset covers
This reference dataset lists 1 postal code for Union, each paired with its locality and, where the source provides them, coordinates and a time zone.
Other cities of South Dakota
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Union postal codes — frequently asked questions
What postal codes does Union use?
Every postal code listed here for Union begins with the prefix 57.
What format are postal codes in Union?
They use United States's national 99999 format. Five digits, numeric only. 57049 is one code from Union.
Who issues postal codes in Union?
United States Postal Service (USPS) issues and maintains postal codes throughout United States, Union included.
How many postal codes are listed for Union?
This reference dataset contains 1 postal code for Union. That is the dataset's own count, not a claim about every code in use.
Which state is Union in?
Union is a city of South Dakota, United States.