ZIP Code 29001 — Alcolu, SC
29001 is a standard (street delivery) ZIP code serving Alcolu, South Carolina, in Clarendon 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 29001 at a glance
| ZIP code | 29001 |
|---|---|
| Primary city | Alcolu |
| State | South Carolina (SC) |
| County | Clarendon FIPS 45027 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 2,339 |
| Coordinates | 33.785280, -80.173380 |
How ZIP+4 works in 29001
The four digits after the hyphen encode a delivery segment inside 29001. 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 29001 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 29001.
| ZIP | City | Distance |
|---|---|---|
| 29051 | Gable, SC | 6.3 mi |
| 29111 | New Zion, SC | 9.1 mi |
| 29102 | Manning, SC | 9.8 mi |
| 29162 | Turbeville, SC | 11.8 mi |
| 29150 | Sumter, SC | 12.2 mi |
| 29153 | Sumter, SC | 14.6 mi |
| 29104 | Mayesville, SC | 14.7 mi |
| 29056 | Greeleyville, SC | 16 mi |
| 29080 | Lynchburg, SC | 16.7 mi |
| 29114 | Olanta, SC | 18 mi |
| 29125 | Pinewood, SC | 18.2 mi |
| 29518 | Cades, SC | 18.6 mi |
Questions about 29001
What is the ZIP+4 code for 29001?
29001 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 29001, you need to look up a specific street address to get them.
What city is 29001?
29001 is assigned to Alcolu, South Carolina, in Clarendon 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.