ZIP Code 70529 — Duson, LA
70529 is a standard (street delivery) ZIP code serving Duson, Louisiana, in Lafayette 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 70529 at a glance
| ZIP code | 70529 |
|---|---|
| Primary city | Duson |
| State | Louisiana (LA) |
| County | Lafayette FIPS 22055 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 12,949 |
| Coordinates | 30.195930, -92.163270 |
How ZIP+4 works in 70529
The four digits after the hyphen encode a delivery segment inside 70529. 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 70529 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 70529.
| ZIP | City | Distance |
|---|---|---|
| 70506 | Lafayette, LA | 4.9 mi |
| 70583 | Scott, LA | 5 mi |
| 70503 | Lafayette, LA | 6.4 mi |
| 70578 | Rayne, LA | 6.4 mi |
| 70555 | Maurice, LA | 8 mi |
| 70558 | Milton, LA | 8.4 mi |
| 70508 | Lafayette, LA | 8.5 mi |
| 70507 | Lafayette, LA | 10 mi |
| 70501 | Lafayette, LA | 10.7 mi |
| 70592 | Youngsville, LA | 12 mi |
| 70520 | Carencro, LA | 12.1 mi |
| 70526 | Crowley, LA | 12.9 mi |
Questions about 70529
What is the ZIP+4 code for 70529?
70529 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 70529, you need to look up a specific street address to get them.
What city is 70529?
70529 is assigned to Duson, Louisiana, in Lafayette 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.