Union, IA ZIP Codes, Coordinates & Counties
Union, Iowa has 1 ZIP code in Hardin county. The approximate center of Union is 42.227, -93.077. Union has about 15,751 known street addresses.
ZIP codes in Union, IA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 50258 | Hardin | 42.227 | -93.077 |
Counties Union spans
Hardin
Most common streets in Union
3rd, 4th, Center, 2nd, Commercial, Davis, 300th, 1st, 6th, Perry
Frequently asked questions
What ZIP codes are in Union, IA?
Union, Iowa has 1 ZIP code, ranging from 50258 to 50258. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Union, IA in?
Union is in Hardin county.
What are the latitude and longitude of Union, IA?
The approximate center of Union, Iowa is latitude 42.227, longitude -93.077. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Union, IA have?
Union has 1 ZIP code.
How many addresses are in Union, IA?
Union, Iowa has about 15,751 known street addresses in the sthan.io US address database.
What are the most common streets in Union, IA?
Some of the most common street names in Union are 3rd, 4th, Center, 2nd, Commercial, Davis.
What cities are near Union, IA?
Cities near Union include Liscomb (5 mi), New Providence (6 mi), Albion (7 mi), Clemons (7 mi), Saint Anthony (8 mi).
Cities near Union
Liscomb, IA (5 mi) New Providence, IA (6 mi) Albion, IA (7 mi) Clemons, IA (7 mi) Saint Anthony, IA (8 mi) Conrad, IA (8 mi) Eldora, IA (9 mi) Zearing, IA (12 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database