Monroe, NC ZIP Codes
Monroe, North Carolina has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Monroe ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Monroe ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
28111 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Monroe city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Monroe ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 28110 | street delivery Monroe Annex |
| 28111 | PO boxes at the Monroe post office Monroe |
| 28112 | street delivery Monroe Annex |
Why your mail may say Monroe when you live outside it
Monroe ZIP codes also cover Unionville, Fairview and Indian Trail, so a letter addressed to Monroe can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Union County property records show which city you are in.
Monroe ZIP code questions
What is the main ZIP code for Monroe?
28110, the ZIP code of the main Monroe Annex post office at 1639 Dickerson Blvd.
Which Monroe ZIP codes are for PO boxes only?
28111. Mail to it goes to boxes at the post office, not to street addresses.
What county is Monroe in?
Union County.
ZIP codes for towns near Monroe
More towns near Monroe: Huntersville, Kannapolis, Cornelius, Gastonia, Mooresville, Salisbury, Hickory, Columbia, Florence.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections