ZIP Code 27840 — Hamilton, NC
27840 is a standard (street delivery) ZIP code serving Hamilton, North Carolina, in Martin 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 27840 at a glance
| ZIP code | 27840 |
|---|---|
| Primary city | Hamilton |
| State | North Carolina (NC) |
| County | Martin FIPS 37117 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 306 |
| Coordinates | 35.934300, -77.231860 |
How ZIP+4 works in 27840
The four digits after the hyphen encode a delivery segment inside 27840. 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 27840 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 27840.
| ZIP | City | Distance |
|---|---|---|
| 27841 | Hassell, NC | 3.1 mi |
| 27857 | Oak City, NC | 3.3 mi |
| 27825 | Everetts, NC | 7.6 mi |
| 27871 | Robersonville, NC | 8.5 mi |
| 27849 | Lewiston Woodville, NC | 9.3 mi |
| 27861 | Parmele, NC | 9.4 mi |
| 27843 | Hobgood, NC | 10 mi |
| 27881 | Speed, NC | 12 mi |
| 27812 | Bethel, NC | 12 mi |
| 27892 | Williamston, NC | 12.3 mi |
| 27819 | Conetoe, NC | 15.1 mi |
| 27884 | Stokes, NC | 15.8 mi |
Questions about 27840
What is the ZIP+4 code for 27840?
27840 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 27840, you need to look up a specific street address to get them.
What city is 27840?
27840 is assigned to Hamilton, North Carolina, in Martin 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.