ZIP code · Foster · Oklahoma · United States
ZIP code 73434 — Foster
ZIP code 73434 serves Foster, Oklahoma.
- Postal code
- 73434Single source Value from one source, not cross-checked.
- City
- Foster
- County
- Stephens FIPS 40137
- State
- Oklahoma
- Country
- United States
- Coordinates
- 34.6379, -97.5455 — precision precise (locality)
View on OpenStreetMap - Population
- 547 (ZCTA, ACS 5-year)
- Population density
- 6 / sq mi
- Land area
- 98.4 sq mi (254.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $62,750
- Per-capita income
- $28,101
- Median age
- 43
- Households
- 189
- Housing units
- 261
- Median home value
- $155,600
- Median gross rent
- $484 / month
- Congressional district
- OK-4 (119th Congress)
- USDA hardiness zone
- 7b (5 to 10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 580 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 73434 with another ZIP · ZIPs within 25 miles · distance from 73434
Map of ZIP code 73434
Climate — monthly normals
Warmest month Jul (avg high 95°F), coldest Jan (avg low 25°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 53 | 57 | 65 | 74 | 82 | 89 | 95 | 95 | 87 | 76 | 64 | 54 |
| Avg low °F | 25 | 28 | 36 | 45 | 56 | 65 | 69 | 68 | 59 | 47 | 35 | 27 |
| Precip in | 1.4 | 1.4 | 2.6 | 3.5 | 5.0 | 3.1 | 2.8 | 3.3 | 3.5 | 3.4 | 2.0 | 2.1 |
NOAA 1991–2020 climate normals from the nearest station: LINDSAY 2 W (14.0 mi) · NOAA NCEI
Places in ZIP 73434
- 1 schools
- 4 places of worship
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page