zip4lookup

ZIP Code 73571 — Vinson, OK

73571 is a standard (street delivery) ZIP code serving Vinson, Oklahoma, in Harmon 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 73571 at a glance

ZIP code73571
Primary cityVinson
StateOklahoma (OK)
CountyHarmon FIPS 40057
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population33
Coordinates34.932500, -99.924760

How ZIP+4 works in 73571

The four digits after the hyphen encode a delivery segment inside 73571. In practice one segment usually means:

That is why 73571 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 73571.

ZIPCityDistance
73550 Hollis, OK 15.4 mi
79095 Wellington, TX 15.7 mi
73645 Erick, OK 16.6 mi
79230 Dodson, TX 16.7 mi
73673 Willow, OK 18 mi
73554 Mangum, OK 19.1 mi
73668 Texola, OK 20.3 mi
73544 Gould, OK 21.6 mi
79079 Shamrock, TX 26.4 mi
73532 Duke, OK 28.1 mi
73547 Granite, OK 29.6 mi
79251 Quail, TX 30 mi

Questions about 73571

What is the ZIP+4 code for 73571?

73571 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 73571, you need to look up a specific street address to get them.

What city is 73571?

73571 is assigned to Vinson, Oklahoma, in Harmon 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