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ZIP Code 66940 — Cuba, KS

66940 is a standard (street delivery) ZIP code serving Cuba, Kansas, in Republic 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 66940 at a glance

ZIP code66940
Primary cityCuba
StateKansas (KS)
CountyRepublic FIPS 20157
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population283
Coordinates39.803430, -97.453810

How ZIP+4 works in 66940

The four digits after the hyphen encode a delivery segment inside 66940. In practice one segment usually means:

That is why 66940 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 66940.

ZIPCityDistance
66930 Agenda, KS 6.6 mi
66944 Haddam, KS 8.9 mi
66960 Narka, KS 8.9 mi
66959 Munden, KS 9.3 mi
66935 Belleville, KS 9.8 mi
66955 Mahaska, KS 14.2 mi
66938 Clyde, KS 15.6 mi
66958 Morrowville, KS 15.7 mi
68375 Hubbell, NE 16.4 mi
66966 Scandia, KS 16.4 mi
68327 Chester, NE 16.8 mi
66937 Clifton, KS 17.8 mi

Questions about 66940

What is the ZIP+4 code for 66940?

66940 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 66940, you need to look up a specific street address to get them.

What city is 66940?

66940 is assigned to Cuba, Kansas, in Republic 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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