Union County ZIP Codes
North Carolina, United States · 8 codes
Union County in North Carolina has 8 ZIP codes, from 28079 to 28174, serving 8 places.
ZIP codes in Union
Frequently asked questions
What is the ZIP code of Union?
Union has 8 ZIP codes, from 28079 to 28174. The table lists the places each one serves.
How many places are listed in Union County?
8 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.