Foster, OK ZIP code
The ZIP code for Foster, Oklahoma is 73434. It is in Stephens County.
- Population in these ZIPs
- 574
- Avg. median income
- $63,200population-weighted
- Typical home value
- $262,900population-weighted
- Metro area
- Duncan, OK
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Foster, OK ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 73434 | 574 | $63,214 | $262,900 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Foster
- Tussy 9 mi
- Elmore City 9 mi
- Countyline 11 mi
- Velma 11 mi
- Tatums 13 mi
- Ratliff City 14 mi
- Hennepin 15 mi
- Lindsay 15 mi
- Maysville 17 mi
- Bradley 18 mi
- Fox 19 mi
- Marlow 20 mi
Frequently asked questions
What is the ZIP code for Foster, OK?
The ZIP code for Foster, OK is 73434.
What county is Foster, Oklahoma in?
Foster ZIP codes are in Stephens County.