ZIP code · Chickasha · Oklahoma · United States

ZIP code 73023 — Chickasha

ZIP code 73023 serves Chickasha, Oklahoma.

Postal code
73023
Single source Value from one source, not cross-checked.
City
Chickasha
County
Grady
State
Oklahoma
Country
United States
Coordinates
35.0526, -97.9364 — 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.

Climate — monthly normals

Warmest month Jul (avg high 97°F), coldest Jan (avg low 27°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F545867768491979588776554
Avg low °F273039485967717062503830
Precip in1.41.62.64.05.04.42.93.53.73.32.22.0

NOAA 1991–2020 climate normals from the nearest station: CHICKASHA EXP STATION (1.2 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