zip4lookup

ZIP Code 73542 — Frederick, OK

73542 is a standard (street delivery) ZIP code serving Frederick, Oklahoma, in Tillman 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 73542 at a glance

ZIP code73542
Primary cityFrederick
StateOklahoma (OK)
CountyTillman FIPS 40141
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population4,092
Coordinates34.402400, -98.938930

How ZIP+4 works in 73542

The four digits after the hyphen encode a delivery segment inside 73542. In practice one segment usually means:

That is why 73542 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 73542.

ZIPCityDistance
73555 Manitou, OK 7.2 mi
73551 Hollister, OK 7.5 mi
73530 Davidson, OK 12 mi
73570 Tipton, OK 12.1 mi
73553 Loveland, OK 14.3 mi
73566 Snyder, OK 14.8 mi
73528 Chattanooga, OK 16.7 mi
73546 Grandfield, OK 17.1 mi
76364 Harrold, TX 18.5 mi
73552 Indiahoma, OK 18.7 mi
73539 Elmer, OK 19.5 mi
76373 Oklaunion, TX 19.9 mi

Questions about 73542

What is the ZIP+4 code for 73542?

73542 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 73542, you need to look up a specific street address to get them.

What city is 73542?

73542 is assigned to Frederick, Oklahoma, in Tillman 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