ZIP Code 70740 — Grosse Tete, LA
70740 is a standard (street delivery) ZIP code serving Grosse Tete, Louisiana, in Iberville 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 70740 at a glance
| ZIP code | 70740 |
|---|---|
| Primary city | Grosse Tete |
| State | Louisiana (LA) |
| County | Iberville FIPS 22047 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 975 |
| Coordinates | 30.337770, -91.433110 |
How ZIP+4 works in 70740
The four digits after the hyphen encode a delivery segment inside 70740. 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 70740 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 70740.
| ZIP | City | Distance |
|---|---|---|
| 70757 | Maringouin, LA | 6.5 mi |
| 70772 | Rosedale, LA | 7.1 mi |
| 70719 | Brusly, LA | 8.9 mi |
| 70710 | Addis, LA | 9.9 mi |
| 70764 | Plaquemine, LA | 10.8 mi |
| 70767 | Port Allen, LA | 11.5 mi |
| 70820 | Baton Rouge, LA | 15.1 mi |
| 70780 | Sunshine, LA | 15.9 mi |
| 70803 | Baton Rouge, LA | 16 mi |
| 70825 | Baton Rouge, LA | 16.6 mi |
| 70801 | Baton Rouge, LA | 16.6 mi |
| 70762 | Oscar, LA | 16.7 mi |
Questions about 70740
What is the ZIP+4 code for 70740?
70740 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 70740, you need to look up a specific street address to get them.
What city is 70740?
70740 is assigned to Grosse Tete, Louisiana, in Iberville 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.