ZIP code · Custer City · Oklahoma · United States
ZIP code 73639 — Custer City
ZIP code 73639 serves Custer City, Oklahoma.
- Postal code
- 73639Single source Value from one source, not cross-checked.
- City
- Custer City
- County
- Custer FIPS 40039
- State
- Oklahoma
- Country
- United States
- Coordinates
- 35.6894, -98.9120 — precision precise (locality)
View on OpenStreetMap - Population
- 734 (ZCTA, ACS 5-year)
- Population density
- 4 / sq mi
- Land area
- 180.9 sq mi (468.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $68,214
- Per-capita income
- $29,086
- Median age
- 41.5
- Households
- 258
- Housing units
- 328
- Median home value
- $107,700
- Median gross rent
- $1,050 / month
- Congressional district
- OK-3 (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
- 580Telephone 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 73639 with another ZIP · ZIPs within 25 miles · distance from 73639
Map of ZIP code 73639
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 | 51 | 55 | 65 | 74 | 82 | 91 | 95 | 94 | 86 | 75 | 61 | 51 |
| Avg low °F | 25 | 29 | 38 | 45 | 56 | 66 | 70 | 69 | 62 | 48 | 36 | 27 |
| Precip in | 0.9 | 1.2 | 2.7 | 2.6 | 3.8 | 3.6 | 2.5 | 4.2 | 4.0 | 2.3 | 1.8 | 1.5 |
NOAA 1991–2020 climate normals from the nearest station: CLINTON (13.5 mi) · NOAA NCEI
Places in ZIP 73639
- 1 schools
- 2 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