ZIP Code 70791 — Zachary, LA
70791 is a standard (street delivery) ZIP code serving Zachary, Louisiana, in East Baton Rouge 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 70791 at a glance
| ZIP code | 70791 |
|---|---|
| Primary city | Zachary |
| State | Louisiana (LA) |
| County | East Baton Rouge FIPS 22033 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 30,385 |
| Coordinates | 30.650130, -91.157340 |
How ZIP+4 works in 70791
The four digits after the hyphen encode a delivery segment inside 70791. 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 70791 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 70791.
| ZIP | City | Distance |
|---|---|---|
| 70714 | Baker, LA | 4.7 mi |
| 70777 | Slaughter, LA | 7.9 mi |
| 70807 | Baton Rouge, LA | 8 mi |
| 70811 | Baton Rouge, LA | 8.6 mi |
| 70813 | Baton Rouge, LA | 8.8 mi |
| 70770 | Pride, LA | 9.7 mi |
| 70818 | Baton Rouge, LA | 9.8 mi |
| 70812 | Baton Rouge, LA | 10.7 mi |
| 70736 | Glynn, LA | 10.8 mi |
| 70805 | Baton Rouge, LA | 11.2 mi |
| 70739 | Greenwell Springs, LA | 11.7 mi |
| 70730 | Ethel, LA | 11.8 mi |
Questions about 70791
What is the ZIP+4 code for 70791?
70791 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 70791, you need to look up a specific street address to get them.
What city is 70791?
70791 is assigned to Zachary, Louisiana, in East Baton Rouge 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.