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ZIP codes in Garfield County, Oklahoma

Garfield County, Oklahoma has 17 ZIP codes in this list, from 73701 to 74640. They cover 13 places, among them Enid, Bison, Carrier and Covington.

The ZIP code areas of Garfield County add up to about 961 square miles of land (2,488 sq km) as the Census Bureau draws them. The largest is 73701 (Enid), with 145 square miles.

Places with more than one code here: Enid (5 codes).

Using these codes

Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.

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