zip4lookup

ZIP Code 73601 — Clinton, OK

73601 is a standard (street delivery) ZIP code serving Clinton, Oklahoma, in Custer 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 73601 at a glance

ZIP code73601
Primary cityClinton
StateOklahoma (OK)
CountyCuster FIPS 40039
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population9,597
Coordinates35.498590, -98.946940

How ZIP+4 works in 73601

The four digits after the hyphen encode a delivery segment inside 73601. In practice one segment usually means:

That is why 73601 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 73601.

ZIPCityDistance
73622 Bessie, OK 7.7 mi
73620 Arapaho, OK 9 mi
73024 Corn, OK 11.8 mi
73096 Weatherford, OK 12.3 mi
73647 Foss, OK 12.5 mi
73639 Custer City, OK 15.7 mi
73632 Cordell, OK 15.9 mi
73624 Burns Flat, OK 15.9 mi
73626 Canute, OK 19.1 mi
73021 Colony, OK 19.1 mi
73625 Butler, OK 19.6 mi
73669 Thomas, OK 20.8 mi

Questions about 73601

What is the ZIP+4 code for 73601?

73601 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 73601, you need to look up a specific street address to get them.

What city is 73601?

73601 is assigned to Clinton, Oklahoma, in Custer 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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