ZIP Code 28112 — Monroe, NC
28112 is a standard (street delivery) ZIP code serving Monroe, North Carolina, in Union County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 28112 at a glance
| ZIP code | 28112 |
|---|---|
| Primary city | Monroe |
| State | North Carolina (NC) |
| County | Union FIPS 37179 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 28,461 |
| Coordinates | 34.893550, -80.541130 |
How ZIP+4 works in 28112
The four digits after the hyphen encode a delivery segment inside 28112. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 28112 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Other ZIP codes in Monroe
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 28112.
| ZIP | City | Distance |
|---|---|---|
| 28174 | Wingate, NC | 7.8 mi |
| 28108 | Mineral Springs, NC | 8.3 mi |
| 28173 | Waxhaw, NC | 10.8 mi |
| 29728 | Pageland, SC | 11.6 mi |
| 28110 | Monroe, NC | 11.9 mi |
| 28103 | Marshville, NC | 13.1 mi |
| 28104 | Matthews, NC | 14.5 mi |
| 29720 | Lancaster, SC | 15.2 mi |
| 28079 | Indian Trail, NC | 15.5 mi |
| 28133 | Peachland, NC | 16 mi |
| 28105 | Matthews, NC | 18.3 mi |
| 29707 | Fort Mill, SC | 18.9 mi |
Questions about 28112
What is the ZIP+4 code for 28112?
28112 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 28112, you need to look up a specific street address to get them.
What city is 28112?
28112 is assigned to Monroe, North Carolina, in Union County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.