ZIP Code 02455 is located in North Waltham Massachusetts. 02455 is entirely within Middlesex County. Regionally, 02455 is located in Metro Boston.
| ZIP Code Name | North Waltham |
| Primary County | Middlesex County |
| ZIP Code Type | PO Box |
| Current Time | EST |
| Coordinates | 42.40464401,-71.23408508 |
| Adjacent ZIP Codes | |
| Region | Metro Boston |
| Metropolitan/Micropolitan Stat Area | Boston-Cambridge-Newton, MA-NH |
| Time Zone | Eastern Standard Time |
| IANA Timezone | America/New_York |