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zipcodes.pro — CITY/OK/FOSTER

Foster ZIP code, Oklahoma

The ZIP code for Foster, OK is 73434, and its area code is 580.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
254
Area code
580

NANPA lists no telephone rate centre for Foster itself, so these are the area codes of the nearest one, Elmore City (9.1 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Foster uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Foster in numbers

About 254 people live in Foster, in 110 households. The median household income is $74,712 a year, 15% above the Oklahoma median of $65,039 (US: $80,734). The median owner-occupied home is valued at $244,200 (22% above the Oklahoma median), and median gross rent is $733 a month. The median age is 36.8; 35.6% of adults 25 and over hold a bachelor's degree or higher (28.3% across Oklahoma); the average commute takes 27 minutes.

Population254Foster254
Households110Foster110
Median age36.8Foster36.8Oklahoma37.0US 38.9
Median household income$74,712Foster$74,712Oklahoma$65,039US $80,734
Median home value$244,200Foster$244,200Oklahoma$199,800US $332,700
Median gross rent$733Foster$733Oklahoma$1,014US $1,413
Bachelor's degree or higher35.6%Foster35.6%Oklahoma28.3%US 35.7%
Mean commute26.6 minFoster26.6 minOklahoma22.4 minUS 26.4 min
Population density7 / sq miFoster7 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Foster town. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Foster

ZIP codes with the USPS city name Foster
ZIP City Type Population Median income Median home
73434 Foster , OK Standard 574 $63,214 $255,000

Other ZIP codes overlapping Foster

These ZIP codes cover part of Foster but are addressed as somewhere else.

ZIP codes overlapping Foster
ZIP City Type Population Median income Median home
73433 Elmore City , OK Standard 2,583 $58,194 $152,400

Map of Foster ZIP codes

The ZIP codes of Foster, OK, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Foster

The nearest larger towns are Elmore City (882 people, 5.7 mi), Katie (429 people, 9.4 mi) and Velma (590 people, 14 mi).

Towns near Foster
TownPopulationDistance
Pauls Valley 6,062 16.7 mi
Lindsay 2,884 17.6 mi
Davis 2,814 21.7 mi
Marlow 4,451 26.6 mi
Duncan 22,958 28.1 mi
Sulphur 4,874 29.5 mi
Purcell 6,803 29.6 mi

More nearby: every ZIP code in Stephens County · Oklahoma ZIP codes

Cite this page

zipcodes.pro. “Foster, OK ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ok/foster

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