ZIP Code 28611 — Collettsville, NC
28611 is a standard (street delivery) ZIP code serving Collettsville, North Carolina, in Caldwell 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 28611 at a glance
| ZIP code | 28611 |
|---|---|
| Primary city | Collettsville |
| State | North Carolina (NC) |
| County | Caldwell FIPS 37027 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 424 |
| Coordinates | 36.006080, -81.736990 |
How ZIP+4 works in 28611
The four digits after the hyphen encode a delivery segment inside 28611. 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 28611 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 28611.
| ZIP | City | Distance |
|---|---|---|
| 28646 | Linville, NC | 7.7 mi |
| 28662 | Pineola, NC | 8.7 mi |
| 28641 | Jonas Ridge, NC | 9.1 mi |
| 28605 | Blowing Rock, NC | 9.1 mi |
| 28653 | Montezuma, NC | 10 mi |
| 28616 | Crossnore, NC | 10.8 mi |
| 28645 | Lenoir, NC | 11 mi |
| 28657 | Newland, NC | 11.4 mi |
| 28604 | Banner Elk, NC | 13.3 mi |
| 28652 | Minneapolis, NC | 15.1 mi |
| 28664 | Plumtree, NC | 15.2 mi |
| 28607 | Boone, NC | 15.3 mi |
Questions about 28611
What is the ZIP+4 code for 28611?
28611 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 28611, you need to look up a specific street address to get them.
What city is 28611?
28611 is assigned to Collettsville, North Carolina, in Caldwell 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.