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ZIP Code 53956 — Randolph, WI

53956 is a standard (street delivery) ZIP code serving Randolph, Wisconsin, in Columbia 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.

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ZIP code 53956 at a glance

ZIP code53956
Primary cityRandolph
StateWisconsin (WI)
CountyColumbia FIPS 55021
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population3,477
Coordinates43.541660, -89.018490

How ZIP+4 works in 53956

The four digits after the hyphen encode a delivery segment inside 53956. In practice one segment usually means:

That is why 53956 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 53956.

ZIPCityDistance
53935 Friesland, WI 4 mi
53923 Cambria, WI 6.3 mi
53933 Fox Lake, WI 7.1 mi
53932 Fall River, WI 8.7 mi
53916 Beaver Dam, WI 10 mi
53928 Doylestown, WI 10.8 mi
53939 Kingston, WI 11.8 mi
53946 Markesan, WI 12.2 mi
53926 Dalton, WI 13.3 mi
53960 Rio, WI 13.5 mi
53925 Columbus, WI 14.5 mi
53969 Wyocena, WI 14.5 mi

Questions about 53956

What is the ZIP+4 code for 53956?

53956 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 53956, you need to look up a specific street address to get them.

What city is 53956?

53956 is assigned to Randolph, Wisconsin, in Columbia 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.

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Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.

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