ZIP Code 27703 — Durham, NC
27703 is a standard (street delivery) ZIP code serving Durham, North Carolina, in Durham 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 27703 at a glance
| ZIP code | 27703 |
|---|---|
| Primary city | Durham |
| State | North Carolina (NC) |
| County | Durham FIPS 37063 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 63,458 |
| Coordinates | 35.962990, -78.804520 |
How ZIP+4 works in 27703
The four digits after the hyphen encode a delivery segment inside 27703. 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 27703 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 Durham
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 27703.
| ZIP | City | Distance |
|---|---|---|
| 27617 | Raleigh, NC | 4.2 mi |
| 27709 | Durham, NC | 4.8 mi |
| 27704 | Durham, NC | 5.6 mi |
| 27701 | Durham, NC | 5.8 mi |
| 27613 | Raleigh, NC | 5.8 mi |
| 27560 | Morrisville, NC | 7.3 mi |
| 27708 | Durham, NC | 8.1 mi |
| 27707 | Durham, NC | 8.4 mi |
| 27713 | Durham, NC | 9.1 mi |
| 27612 | Raleigh, NC | 9.6 mi |
| 27614 | Raleigh, NC | 10.3 mi |
| 27615 | Raleigh, NC | 10.4 mi |
Questions about 27703
What is the ZIP+4 code for 27703?
27703 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 27703, you need to look up a specific street address to get them.
What city is 27703?
27703 is assigned to Durham, North Carolina, in Durham 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.