ZIP Code 70582 — Saint Martinville, LA
70582 is a standard (street delivery) ZIP code serving Saint Martinville, Louisiana, in St. Martin 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 70582 at a glance
| ZIP code | 70582 |
|---|---|
| Primary city | Saint Martinville |
| State | Louisiana (LA) |
| County | St. Martin FIPS 22099 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 19,209 |
| Coordinates | 30.159610, -91.785400 |
How ZIP+4 works in 70582
The four digits after the hyphen encode a delivery segment inside 70582. 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 70582 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 70582.
| ZIP | City | Distance |
|---|---|---|
| 70517 | Breaux Bridge, LA | 8.6 mi |
| 70518 | Broussard, LA | 8.7 mi |
| 70519 | Cade, LA | 9 mi |
| 70552 | Loreauville, LA | 9.8 mi |
| 70563 | New Iberia, LA | 9.9 mi |
| 70501 | Lafayette, LA | 13.4 mi |
| 70508 | Lafayette, LA | 14.5 mi |
| 70592 | Youngsville, LA | 14.7 mi |
| 70560 | New Iberia, LA | 15.9 mi |
| 70503 | Lafayette, LA | 16.4 mi |
| 70507 | Lafayette, LA | 16.8 mi |
| 70558 | Milton, LA | 17.8 mi |
Questions about 70582
What is the ZIP+4 code for 70582?
70582 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 70582, you need to look up a specific street address to get them.
What city is 70582?
70582 is assigned to Saint Martinville, Louisiana, in St. Martin 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.