ZIP code · Casper · Wyoming · United States
ZIP code 82602 — Casper
ZIP code 82602 serves Casper, Wyoming.
- Postal code
- 82602Single source Value from one source, not cross-checked.
- City
- Casper
- County
- Natrona
- State
- Wyoming
- Country
- United States
- Coordinates
- 42.8896, -106.3570 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 5a (-20 to -15 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Denver (UTC−7 / UTC−6 DST)
- Area code
- 307Telephone 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 82602 with another ZIP · ZIPs within 25 miles · distance from 82602
Nearby localities
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 17°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 38 | 40 | 49 | 57 | 67 | 79 | 88 | 87 | 76 | 61 | 48 | 38 |
| Avg low °F | 17 | 18 | 25 | 31 | 41 | 50 | 56 | 55 | 44 | 33 | 25 | 17 |
| Precip in | 0.4 | 0.6 | 1.0 | 1.5 | 2.7 | 1.6 | 1.2 | 1.0 | 1.1 | 1.3 | 0.5 | 0.7 |
NOAA 1991–2020 climate normals from the nearest station: CASPER WWTP (3.8 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