ZIP codes in Waltham, Massachusetts
Waltham has 4 ZIP codes in this directory. Each ZIP is listed with its county, population and time zone.
| ZIP | County | Population | Time zone |
|---|---|---|---|
| 02451 | Middlesex | 63,378 | America/New_York |
| 02452 | Middlesex | 63,378 | America/New_York |
| 02453 | Middlesex | 63,378 | America/New_York |
| 02454 | Middlesex | 63,378 | America/New_York |
About Waltham ZIP codes
ZIP codes in Waltham are part of the USPS delivery network for Massachusetts. The codes above are ordered numerically; each links to a page with coordinates, nearby ZIPs and more detail. Population shown is the estimated population of the city: 63,378.