ZIP Code 03289 is located in Winnisquam New Hampshire. 03289 is entirely within Belknap County. Regionally, it is located in the Southern New Hampshire Region.
| ZIP Code Name | Winnisquam |
| Primary County | Belknap County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 43.49970245,-71.50959778 |
| Adjacent ZIP Codes | |
| Region | Southern New Hampshire Region |
| Metropolitan/Micropolitan Stat Area | Laconia, NH |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |