zip4lookup

ZIP Code 70339 — Pierre Part, LA

70339 is a standard (street delivery) ZIP code serving Pierre Part, Louisiana, in Assumption 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.

Free. No account needed.

ZIP code 70339 at a glance

ZIP code70339
Primary cityPierre Part
StateLouisiana (LA)
CountyAssumption FIPS 22007
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population4,848
Coordinates29.929870, -91.183570

How ZIP+4 works in 70339

The four digits after the hyphen encode a delivery segment inside 70339. In practice one segment usually means:

That is why 70339 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 70339.

ZIPCityDistance
70391 Paincourtville, LA 8.6 mi
70341 Belle Rose, LA 9 mi
70390 Napoleonville, LA 9.2 mi
70393 Plattenville, LA 11.9 mi
70788 White Castle, LA 14.2 mi
70380 Morgan City, LA 14.9 mi
70372 Labadieville, LA 15.5 mi
70346 Donaldsonville, LA 15.7 mi
70342 Berwick, LA 16.5 mi
70392 Patterson, LA 18 mi
70340 Amelia, LA 18.6 mi
70725 Darrow, LA 19 mi

Questions about 70339

What is the ZIP+4 code for 70339?

70339 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 70339, you need to look up a specific street address to get them.

What city is 70339?

70339 is assigned to Pierre Part, Louisiana, in Assumption 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.

Bulk lookup API docs