ZIP Code 70030 — Des Allemands, LA
70030 is a standard (street delivery) ZIP code serving Des Allemands, Louisiana, in St. Charles 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 70030 at a glance
| ZIP code | 70030 |
|---|---|
| Primary city | Des Allemands |
| State | Louisiana (LA) |
| County | St. Charles FIPS 22089 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 4,290 |
| Coordinates | 29.816350, -90.435260 |
How ZIP+4 works in 70030
The four digits after the hyphen encode a delivery segment inside 70030. 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 70030 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 70030.
| ZIP | City | Distance |
|---|---|---|
| 70080 | Paradis, LA | 4 mi |
| 70039 | Boutte, LA | 5.7 mi |
| 70070 | Luling, LA | 7.9 mi |
| 70355 | Gheens, LA | 8.4 mi |
| 70057 | Hahnville, LA | 10 mi |
| 70375 | Mathews, LA | 10.2 mi |
| 70047 | Destrehan, LA | 11.2 mi |
| 70031 | Ama, LA | 12.1 mi |
| 70079 | Norco, LA | 12.9 mi |
| 70087 | Saint Rose, LA | 13.5 mi |
| 70394 | Raceland, LA | 13.6 mi |
| 70094 | Westwego, LA | 15.1 mi |
Questions about 70030
What is the ZIP+4 code for 70030?
70030 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 70030, you need to look up a specific street address to get them.
What city is 70030?
70030 is assigned to Des Allemands, Louisiana, in St. Charles 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.