zip4lookup

ZIP Code 18071 — Palmerton, PA

18071 is a standard (street delivery) ZIP code serving Palmerton, Pennsylvania, in Carbon 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 18071 at a glance

ZIP code18071
Primary cityPalmerton
StatePennsylvania (PA)
CountyCarbon FIPS 42025
ZIP typeStandard (street delivery)
Time zoneAmerica/New_York
Population11,313
Coordinates40.830980, -75.578430

How ZIP+4 works in 18071

The four digits after the hyphen encode a delivery segment inside 18071. In practice one segment usually means:

That is why 18071 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 18071.

ZIPCityDistance
18012 Aquashicola, PA 1.5 mi
18088 Walnutport, PA 4.6 mi
18244 Parryville, PA 4.7 mi
18030 Bowmanstown, PA 4.8 mi
18038 Danielsville, PA 5.6 mi
18035 Cherryville, PA 5.9 mi
18235 Lehighton, PA 5.9 mi
18058 Kunkletown, PA 6.2 mi
18333 Kresgeville, PA 6.5 mi
18086 Treichlers, PA 6.6 mi
18080 Slatington, PA 7.1 mi
18079 Slatedale, PA 7.3 mi

Questions about 18071

What is the ZIP+4 code for 18071?

18071 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 18071, you need to look up a specific street address to get them.

What city is 18071?

18071 is assigned to Palmerton, Pennsylvania, in Carbon 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