ZIP Code 08603 is located in Trenton New Jersey. 08603 is entirely within Mercer County. Regionally, 08603 is located in the Northern New Jersey Area.
| ZIP Code Name | Trenton |
| Primary County | Mercer County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 40.21949387,-74.76163483 |
| Adjacent ZIP Codes | |
| Neighborhoods in 08603 | |
| Region | Northern New Jersey Area |
| Metropolitan/Micropolitan Stat Area | Trenton-Princeton, NJ |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| School Districts in 08603 | |
| Middle Schools in 08603 | |
| High Schools in 08603 |