ZIP Code 28666 — Icard, NC
28666 is a standard (street delivery) ZIP code serving Icard, North Carolina, in Burke 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 28666 at a glance
| ZIP code | 28666 |
|---|---|
| Primary city | Icard |
| State | North Carolina (NC) |
| County | Burke FIPS 37023 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 273 |
| Coordinates | 35.718640, -81.470570 |
How ZIP+4 works in 28666
The four digits after the hyphen encode a delivery segment inside 28666. 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 28666 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 28666.
| ZIP | City | Distance |
|---|---|---|
| 28637 | Hildebran, NC | 2.9 mi |
| 28671 | Rutherford College, NC | 3.8 mi |
| 28667 | Rhodhiss, NC | 4.5 mi |
| 28612 | Connelly Springs, NC | 5.3 mi |
| 28602 | Hickory, NC | 5.7 mi |
| 28690 | Valdese, NC | 5.9 mi |
| 28630 | Granite Falls, NC | 8 mi |
| 28619 | Drexel, NC | 8.1 mi |
| 28638 | Hudson, NC | 8.7 mi |
| 28601 | Hickory, NC | 8.9 mi |
| 28168 | Vale, NC | 11.6 mi |
| 28658 | Newton, NC | 14 mi |
Questions about 28666
What is the ZIP+4 code for 28666?
28666 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 28666, you need to look up a specific street address to get them.
What city is 28666?
28666 is assigned to Icard, North Carolina, in Burke 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.