ZIP code · Miami · Oklahoma · United States

ZIP code 74355 — Miami

ZIP code 74355 serves Miami, Oklahoma.

Postal code: 74355
Single source Value from one source, not cross-checked.
City: Miami
County: Ottawa
State: Oklahoma
Country: United States
Coordinates: 36.8341, -94.8770 — precision precise (locality)
View on OpenStreetMap
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 codes: 918, 539
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 74355 with another ZIP · ZIPs within 25 miles · distance from 74355

Climate — monthly normals

Warmest month Aug (avg high 92°F), coldest Jan (avg low 24°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	47	52	62	71	79	87	91	92	83	71	60	50
Avg low °F	24	29	37	46	55	66	70	68	59	47	37	28

NOAA 1991–2020 climate normals from the nearest station: MIAMI (3.4 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