ZIP code · Lebanon · Oklahoma · United States

ZIP code 73440 — Lebanon

ZIP code 73440 serves Lebanon, Oklahoma.

Postal code
73440
Single source Value from one source, not cross-checked.
City
Lebanon
County
Marshall FIPS 40095
State
Oklahoma
Country
United States
Coordinates
33.9687, -96.9064 — precision precise (locality)
View on OpenStreetMap
Population
260 (ZCTA, ACS 5-year)
Population density
33 / sq mi
Land area
7.8 sq mi (20.2 km²) (ZCTA, ACS 5-year)
Median household income
$90,625
Per-capita income
$30,980
Median age
36.4
Households
88
Housing units
126
Median home value
$171,600
Congressional district
OK-2 (119th Congress)
USDA hardiness zone
8a (10 to 15 °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.

Climate — monthly normals

Warmest month Aug (avg high 95°F), coldest Jan (avg low 31°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F545866748189939587766555
Avg low °F313643516069727163524234

NOAA 1991–2020 climate normals from the nearest station: MADILL 11WSW MESONET (5.1 mi) · NOAA NCEI

Places in ZIP 73440

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