zip4lookup

ZIP Code 52158 — Marquette, IA

52158 is a standard (street delivery) ZIP code serving Marquette, Iowa, in Clayton 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 52158 at a glance

ZIP code52158
Primary cityMarquette
StateIowa (IA)
CountyClayton FIPS 19043
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population290
Coordinates43.043880, -91.186470

How ZIP+4 works in 52158

The four digits after the hyphen encode a delivery segment inside 52158. In practice one segment usually means:

That is why 52158 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 52158.

ZIPCityDistance
52157 Mcgregor, IA 3 mi
53821 Prairie Du Chien, WI 6.1 mi
52159 Monona, IA 9.2 mi
52047 Farmersburg, IA 9.6 mi
52146 Harpers Ferry, IA 10 mi
53801 Bagley, WI 10.1 mi
52049 Garnavillo, IA 11.2 mi
53817 Patch Grove, WI 12.9 mi
52072 Saint Olaf, IA 13 mi
52156 Luana, IA 14.1 mi
54626 Eastman, WI 14.1 mi
52170 Waterville, IA 14.1 mi

Questions about 52158

What is the ZIP+4 code for 52158?

52158 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 52158, you need to look up a specific street address to get them.

What city is 52158?

52158 is assigned to Marquette, Iowa, in Clayton 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