Union Zip code

Union Zip code / Union Postal code

Union Zip code, introduced by the United States Postal Service (USPS) in 1963, are numerical codes used to identify specific geographic regions for mail delivery. and Union zip code used a 5-digit postal format XXXXX, The first 3 digit represent the postal delivery zone code, and last 2 digit represent the Post office in the Union.

There are total 5 zipcode code in Union and range of zipcode is 57001 to 57049. View all the zip code on map of Union by clicking on our mapview appliction.

1. What is the format of zip codes in Union?
Union zip codes follow the standard 5-digit format, starting with the number - 570.

2. How many zip codes are there in Union?
There are approximately 5 zip codes in Union, covering a vast area of the county.

3. Do all areas in Union have zip codes?
Yes, almost all populated areas in Union are assigned a unique zip code for mail delivery purposes.