Union County, PA Zip Code and Maps
Union County has 12 zip codes. See all zip codes in List View or use the map below to review.
Union County Zip Codes by Population
17837 20,36417844 9,98817856 3,42017845 2,13517855 1,01517886 73717887 30017835 22617829 22517885 17817880 6417883