ZIP Code 28603 is located in Hickory North Carolina. 28603 is entirely within Catawba County. Regionally, it is located in Metro Charlotte.
| ZIP Code Name | Hickory |
| Primary County | Catawba County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 35.73139572,-81.34097290 |
| Adjacent ZIP Codes | |
| Region | Metro Charlotte |
| Metropolitan/Micropolitan Stat Area | Hickory-Lenoir-Morganton, NC |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |