ZIP Code 70397 — Theriot, LA
70397 is a standard (street delivery) ZIP code serving Theriot, Louisiana, in Terrebonne 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 70397 at a glance
| ZIP code | 70397 |
|---|---|
| Primary city | Theriot |
| State | Louisiana (LA) |
| County | Terrebonne FIPS 22109 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 971 |
| Coordinates | 29.384440, -90.823000 |
How ZIP+4 works in 70397
The four digits after the hyphen encode a delivery segment inside 70397. 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 70397 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 70397.
| ZIP | City | Distance |
|---|---|---|
| 70353 | Dulac, LA | 7.2 mi |
| 70344 | Chauvin, LA | 11.2 mi |
| 70363 | Houma, LA | 11.5 mi |
| 70360 | Houma, LA | 13.8 mi |
| 70364 | Houma, LA | 19.1 mi |
| 70377 | Montegut, LA | 19.3 mi |
| 70343 | Bourg, LA | 19.4 mi |
| 70356 | Gibson, LA | 19.5 mi |
| 70359 | Gray, LA | 21 mi |
| 70395 | Schriever, LA | 21.4 mi |
| 70352 | Donner, LA | 22 mi |
| 70374 | Lockport, LA | 24.3 mi |
Questions about 70397
What is the ZIP+4 code for 70397?
70397 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 70397, you need to look up a specific street address to get them.
What city is 70397?
70397 is assigned to Theriot, Louisiana, in Terrebonne 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.