Union City, CA ZIP Codes, Coordinates & Counties
Union City, California has 1 ZIP code in Alameda county. The approximate center of Union City is 37.603, -122.019. Union City has about 84,833 known street addresses.
ZIP codes in Union City, CA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 94587 | Alameda | 37.603 | -122.019 |
Counties Union City spans
Alameda
Most common streets in Union City
11th, Whipple, F, 7th, Alvarado, Union, G, 9th, Sherman, Central
Frequently asked questions
What ZIP codes are in Union City, CA?
Union City, California has 1 ZIP code, ranging from 94587 to 94587. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Union City, CA in?
Union City is in Alameda county.
What are the latitude and longitude of Union City, CA?
The approximate center of Union City, California is latitude 37.603, longitude -122.019. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Union City, CA have?
Union City has 1 ZIP code.
How many addresses are in Union City, CA?
Union City, California has about 84,833 known street addresses in the sthan.io US address database.
What are the most common streets in Union City, CA?
Some of the most common street names in Union City are 11th, Whipple, F, 7th, Alvarado, Union.
What cities are near Union City, CA?
Cities near Union City include Hayward (4 mi), Fremont (5 mi), Newark (6 mi), Castro Valley (8 mi), San Lorenzo (8 mi).
Cities near Union City
Hayward, CA (4 mi) Fremont, CA (5 mi) Newark, CA (6 mi) Castro Valley, CA (8 mi) San Lorenzo, CA (8 mi) Sunol, CA (9 mi) San Leandro, CA (10 mi) Dublin, CA (10 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database