Union City, OH ZIP Codes, Coordinates & Counties
Union City, Ohio has 1 ZIP code in Darke county. The approximate center of Union City is 40.219, -84.769. Union City has about 32,607 known street addresses.
ZIP codes in Union City, OH
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 45390 | Darke | 40.219 | -84.769 |
Counties Union City spans
Darke
Most common streets in Union City
Washington, Young, Elm, Division, Ellis, Sycamore, North, Wilson, Walnut, Main
Frequently asked questions
What ZIP codes are in Union City, OH?
Union City, Ohio has 1 ZIP code, ranging from 45390 to 45390. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Union City, OH in?
Union City is in Darke county.
What are the latitude and longitude of Union City, OH?
The approximate center of Union City, Ohio is latitude 40.219, longitude -84.769. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Union City, OH have?
Union City has 1 ZIP code.
How many addresses are in Union City, OH?
Union City, Ohio has about 32,607 known street addresses in the sthan.io US address database.
What are the most common streets in Union City, OH?
Some of the most common street names in Union City are Washington, Young, Elm, Division, Ellis, Sycamore.
What cities are near Union City, OH?
Cities near Union City include Union City (4 mi), Ansonia (6 mi), Saratoga (8 mi), Rossburg (8 mi), New Weston (10 mi).
Cities near Union City
Union City, IN (4 mi) Ansonia, OH (6 mi) Saratoga, IN (8 mi) Rossburg, OH (8 mi) New Weston, OH (10 mi) Burkettsville, OH (11 mi) Greenville, OH (11 mi) Salamonia, IN (12 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database