ZIP code · Ardmore · Oklahoma · United States
ZIP code 73403 — Ardmore
ZIP code 73403 serves Ardmore, Oklahoma.
- Postal code
- 73403Single source Value from one source, not cross-checked.
- City
- Ardmore
- County
- Carter
- State
- Oklahoma
- Country
- United States
- Coordinates
- 34.1743, -97.1436 — precision precise (locality)
View on OpenStreetMap - 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
- 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 73403 with another ZIP · ZIPs within 25 miles · distance from 73403
Climate — monthly normals
Warmest month Jul (avg high 95°F), coldest Jan (avg low 32°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 54 | 59 | 67 | 75 | 82 | 90 | 95 | 95 | 87 | 77 | 65 | 55 |
| Avg low °F | 32 | 37 | 45 | 54 | 62 | 71 | 75 | 74 | 67 | 55 | 43 | 35 |
| Precip in | 1.8 | 2.2 | 2.8 | 3.3 | 5.7 | 4.6 | 2.5 | 2.7 | 3.6 | 3.9 | 2.4 | 2.6 |
NOAA 1991–2020 climate normals from the nearest station: ARDMORE (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