ZIP Code 29203 — Columbia, SC
29203 is a standard (street delivery) ZIP code serving Columbia, South Carolina, in Richland 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 29203 at a glance
| ZIP code | 29203 |
|---|---|
| Primary city | Columbia |
| State | South Carolina (SC) |
| County | Richland FIPS 45079 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 40,653 |
| Coordinates | 34.101980, -81.040090 |
How ZIP+4 works in 29203
The four digits after the hyphen encode a delivery segment inside 29203. 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 29203 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 Columbia
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 29203.
| ZIP | City | Distance |
|---|---|---|
| 29210 | Columbia, SC | 5.4 mi |
| 29204 | Columbia, SC | 5.5 mi |
| 29223 | Columbia, SC | 6.8 mi |
| 29206 | Columbia, SC | 6.9 mi |
| 29208 | Columbia, SC | 7.2 mi |
| 29225 | Columbia, SC | 7.4 mi |
| 29016 | Blythewood, SC | 7.5 mi |
| 29169 | West Columbia, SC | 8 mi |
| 29205 | Columbia, SC | 8.1 mi |
| 29201 | Columbia, SC | 8.2 mi |
| 29229 | Columbia, SC | 9 mi |
| 29212 | Columbia, SC | 9.4 mi |
Questions about 29203
What is the ZIP+4 code for 29203?
29203 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 29203, you need to look up a specific street address to get them.
What city is 29203?
29203 is assigned to Columbia, South Carolina, in Richland 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.