zip4lookup

ZIP Code 73747 — Isabella, OK

73747 is a standard (street delivery) ZIP code serving Isabella, Oklahoma, in Major 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 73747 at a glance

ZIP code73747
Primary cityIsabella
StateOklahoma (OK)
CountyMajor FIPS 40093
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population228
Coordinates36.233580, -98.339640

How ZIP+4 works in 73747

The four digits after the hyphen encode a delivery segment inside 73747. In practice one segment usually means:

That is why 73747 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 73747.

ZIPCityDistance
73763 Okeene, OK 9.1 mi
73768 Ringwood, OK 9.5 mi
73718 Ames, OK 9.7 mi
73729 Cleo Springs, OK 12.9 mi
73760 Meno, OK 14.2 mi
73737 Fairview, OK 14.2 mi
73770 Southard, OK 15.2 mi
73755 Longdale, OK 15.4 mi
73735 Drummond, OK 16.3 mi
73754 Lahoma, OK 17.4 mi
73744 Hitchcock, OK 19.8 mi
73716 Aline, OK 21 mi

Questions about 73747

What is the ZIP+4 code for 73747?

73747 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 73747, you need to look up a specific street address to get them.

What city is 73747?

73747 is assigned to Isabella, Oklahoma, in Major 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