ZIP Code 27557 — Middlesex, NC
27557 is a standard (street delivery) ZIP code serving Middlesex, North Carolina, in Nash 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 27557 at a glance
| ZIP code | 27557 |
|---|---|
| Primary city | Middlesex |
| State | North Carolina (NC) |
| County | Nash FIPS 37127 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 8,657 |
| Coordinates | 35.779410, -78.200000 |
How ZIP+4 works in 27557
The four digits after the hyphen encode a delivery segment inside 27557. 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 27557 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.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 27557.
| ZIP | City | Distance |
|---|---|---|
| 27807 | Bailey, NC | 6.4 mi |
| 27880 | Sims, NC | 6.9 mi |
| 27597 | Zebulon, NC | 7.1 mi |
| 27591 | Wendell, NC | 10.4 mi |
| 27542 | Kenly, NC | 11.7 mi |
| 27882 | Spring Hope, NC | 12.1 mi |
| 27896 | Wilson, NC | 12.7 mi |
| 27508 | Bunn, NC | 12.7 mi |
| 27527 | Clayton, NC | 13.3 mi |
| 27851 | Lucama, NC | 13.7 mi |
| 27576 | Selma, NC | 13.9 mi |
| 27555 | Micro, NC | 15 mi |
Questions about 27557
What is the ZIP+4 code for 27557?
27557 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 27557, you need to look up a specific street address to get them.
What city is 27557?
27557 is assigned to Middlesex, North Carolina, in Nash 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.