ZIP codes in Oklahoma County

89 ZIPs touch Oklahoma County, Oklahoma. The blue dashed line is the county border; orange ZIPs reach into it.

89

ZIP codes

17

cross the county line

878,017

people in these ZIPs

77

counties in OK

Most people

Oklahoma County ZIP list

Questions people actually ask

How many ZIP codes are in Oklahoma County, Oklahoma?

89 ZIP codes reach into Oklahoma County, including 34 PO Box or single-address ZIPs placed by the town they serve. 17 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Oklahoma County has the most people?

73013 (Edmond) has about 58,023 residents, the most of any ZIP touching Oklahoma County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Oklahoma 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 Oklahoma 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.

Updated 2026-11-10 · Where the data comes from