ZIP code · Lamont · Oklahoma · United States
ZIP code 74643 — Lamont
ZIP code 74643 serves Lamont, Oklahoma.
- Postal code
- 74643Single source Value from one source, not cross-checked.
- City
- Lamont
- County
- Grant FIPS 40053
- State
- Oklahoma
- Country
- United States
- Coordinates
- 36.6939, -97.5601 — precision precise (locality)
View on OpenStreetMap - Population
- 508 (ZCTA, ACS 5-year)
- Population density
- 4 / sq mi
- Land area
- 116.6 sq mi (301.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $66,172
- Per-capita income
- $35,645
- Median age
- 45.5
- Households
- 173
- Housing units
- 257
- Median home value
- $65,000
- Median gross rent
- $923 / month
- Congressional district
- OK-3 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °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 74643 with another ZIP · ZIPs within 25 miles · distance from 74643
Map of ZIP code 74643
Climate — monthly normals
Warmest month Jul (avg high 95°F), coldest Jan (avg low 20°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 48 | 52 | 62 | 71 | 80 | 90 | 95 | 94 | 85 | 74 | 60 | 49 |
| Avg low °F | 20 | 23 | 32 | 41 | 53 | 63 | 68 | 66 | 57 | 44 | 32 | 23 |
| Precip in | 1.0 | 1.2 | 2.3 | 3.7 | 4.8 | 4.5 | 3.8 | 3.7 | 2.7 | 3.1 | 1.7 | 1.4 |
NOAA 1991–2020 climate normals from the nearest station: JEFFERSON 3SE (10.4 mi) · NOAA NCEI
Places in ZIP 74643
- 2 schools
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