ZIP code · Seminole · Oklahoma · United States

ZIP code 74818 — Seminole

ZIP code 74818 serves Seminole, Oklahoma.

Postal code: 74818
Single source Value from one source, not cross-checked.
City: Seminole
County: Seminole
State: Oklahoma
Country: United States
Coordinates: 35.2245, -96.6706 — precision precise (locality)
View on OpenStreetMap
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 codes: 405, 572
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 74818 with another ZIP · ZIPs within 25 miles · distance from 74818

Climate — monthly normals

Warmest month Jul (avg high 95°F), coldest Jan (avg low 26°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	52	57	65	74	81	89	95	95	87	76	64	54
Avg low °F	26	30	38	47	58	66	71	69	61	49	38	29
Precip in	1.9	2.4	2.9	4.5	5.4	4.8	3.7	3.6	4.8	4.1	2.7	2.4

NOAA 1991–2020 climate normals from the nearest station: SEMINOLE (1.1 mi) · NOAA NCEI

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 · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page