ZIP Code 70431 — Bush, LA
70431 is a standard (street delivery) ZIP code serving Bush, Louisiana, in St. Tammany 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 70431 at a glance
| ZIP code | 70431 |
|---|---|
| Primary city | Bush |
| State | Louisiana (LA) |
| County | St. Tammany FIPS 22103 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 5,769 |
| Coordinates | 30.612110, -89.972150 |
How ZIP+4 works in 70431
The four digits after the hyphen encode a delivery segment inside 70431. 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 70431 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 70431.
| ZIP | City | Distance |
|---|---|---|
| 70463 | Sun, LA | 5.1 mi |
| 70464 | Talisheek, LA | 6.7 mi |
| 70435 | Covington, LA | 8.5 mi |
| 70420 | Abita Springs, LA | 8.6 mi |
| 70427 | Bogalusa, LA | 9.9 mi |
| 70457 | Saint Benedict, LA | 10.2 mi |
| 70437 | Folsom, LA | 14.1 mi |
| 70433 | Covington, LA | 14.3 mi |
| 70471 | Mandeville, LA | 15.2 mi |
| 70445 | Lacombe, LA | 17.5 mi |
| 70448 | Mandeville, LA | 17.7 mi |
| 70438 | Franklinton, LA | 17.9 mi |
Questions about 70431
What is the ZIP+4 code for 70431?
70431 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 70431, you need to look up a specific street address to get them.
What city is 70431?
70431 is assigned to Bush, Louisiana, in St. Tammany 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.