ZIP codes in Garfield County
24 ZIPs touch Garfield County, Oklahoma. The blue dashed line is the county border; orange ZIPs reach into it.
24
ZIP codes
11
cross the county line
65,549
people in these ZIPs
77
counties in OK
Most people
Garfield County ZIP list
More counties in Oklahoma
- Craig County10
- Creek County23
- Custer County13
- Delaware County14
- Dewey County12
- Ellis County7
- Garvin County13
- Grady County15
- Grant County10
- Greer County4
- Harmon County6
- Harper County7
Questions people actually ask
How many ZIP codes are in Garfield County, Oklahoma?
24 ZIP codes reach into Garfield County, including 2 PO Box or single-address ZIPs placed by the town they serve. 11 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Garfield County has the most people?
73703 (Enid) has about 30,556 residents, the most of any ZIP touching Garfield County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Garfield County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Garfield County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from