ZIP Code 70578 — Rayne, LA
70578 is a standard (street delivery) ZIP code serving Rayne, Louisiana, in Acadia 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 70578 at a glance
| ZIP code | 70578 |
|---|---|
| Primary city | Rayne |
| State | Louisiana (LA) |
| County | Acadia FIPS 22001 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 16,432 |
| Coordinates | 30.229100, -92.262610 |
How ZIP+4 works in 70578
The four digits after the hyphen encode a delivery segment inside 70578. 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 70578 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 70578.
| ZIP | City | Distance |
|---|---|---|
| 70529 | Duson, LA | 6.3 mi |
| 70526 | Crowley, LA | 7.1 mi |
| 70583 | Scott, LA | 8.6 mi |
| 70516 | Branch, LA | 9.8 mi |
| 70506 | Lafayette, LA | 11.1 mi |
| 70534 | Estherwood, LA | 12.3 mi |
| 70555 | Maurice, LA | 12.5 mi |
| 70525 | Church Point, LA | 12.6 mi |
| 70503 | Lafayette, LA | 12.7 mi |
| 70531 | Egan, LA | 14 mi |
| 70558 | Milton, LA | 14.2 mi |
| 70507 | Lafayette, LA | 14.5 mi |
Questions about 70578
What is the ZIP+4 code for 70578?
70578 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 70578, you need to look up a specific street address to get them.
What city is 70578?
70578 is assigned to Rayne, Louisiana, in Acadia 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.