Waltham zipcode
| City | Waltham |
| ZIP Code | 02451 |
| Type | Standard |
| State Code | MA |
| State | Massachusetts |
ZIP code of Waltham is 02451. This place is located in Massachusetts state in US. To send any postal service to Waltham, you must use 02451 zipcode.
The ZIP code 02451 is also used with 1 more city name of Massachusetts.
- North Waltham, MA