ZIP Code 24603 — Big Rock, VA
24603 is a standard (street delivery) ZIP code serving Big Rock, Virginia, in Buchanan 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 24603 at a glance
| ZIP code | 24603 |
|---|---|
| Primary city | Big Rock |
| State | Virginia (VA) |
| County | Buchanan FIPS 51027 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 632 |
| Coordinates | 37.356070, -82.191400 |
How ZIP+4 works in 24603
The four digits after the hyphen encode a delivery segment inside 24603. 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 24603 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 24603.
| ZIP | City | Distance |
|---|---|---|
| 41566 | Steele, KY | 3.6 mi |
| 41548 | Mouthcard, KY | 3.8 mi |
| 41524 | Fedscreek, KY | 5.8 mi |
| 24607 | Breaks, VA | 5.8 mi |
| 24614 | Grundy, VA | 7.2 mi |
| 41540 | Lick Creek, KY | 7.6 mi |
| 41513 | Belcher, KY | 8.3 mi |
| 41553 | Phelps, KY | 8.8 mi |
| 41554 | Phyllis, KY | 9.3 mi |
| 24256 | Haysi, VA | 10.5 mi |
| 24620 | Hurley, VA | 10.8 mi |
| 41559 | Regina, KY | 11 mi |
Questions about 24603
What is the ZIP+4 code for 24603?
24603 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 24603, you need to look up a specific street address to get them.
What city is 24603?
24603 is assigned to Big Rock, Virginia, in Buchanan 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.