ZIP code · Hickory · North Carolina · United States
ZIP code 28603 — Hickory
ZIP code 28603 serves Hickory, North Carolina.
- Postal code
- 28603Single source Value from one source, not cross-checked.
- City
- Hickory
- County
- Catawba
- State
- North Carolina
- Country
- United States
- Coordinates
- 35.6799, -81.2872 — 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/New_York (UTC−5 / UTC−4 DST)
- Area code
- 828Telephone 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 28603 with another ZIP · ZIPs within 25 miles · distance from 28603
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 30°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 49 | 53 | 61 | 70 | 77 | 84 | 87 | 86 | 80 | 70 | 60 | 52 |
| Avg low °F | 30 | 33 | 40 | 48 | 56 | 64 | 68 | 67 | 61 | 49 | 39 | 33 |
| Precip in | 3.8 | 3.2 | 4.1 | 4.1 | 3.9 | 4.3 | 4.3 | 4.6 | 3.9 | 3.5 | 3.6 | 3.9 |
NOAA 1991–2020 climate normals from the nearest station: HICKORY FAA AP (6.8 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