Union City California is covered by a total of 1 ZIP Codes. There are also 2 ZIP Codes that overlap Union City but have a different postal city name. The ZIP Codes in Union City range from 94544 to 94587. Of the ZIP codes within or partially within Union City there are 1 Standard ZIP Codes. The total population of ZIP Codes in Union City is 69502.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Union City and can be turned on and off. Each type of postal code can also be turned on and off.
ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
---|---|---|---|---|---|
| Hayward | Standard | |||
| Castro Valley | Standard | |||
| Union City | Standard |