ZIP Code 02451 — Waltham, Massachusetts
ZIP code 02451 belongs to Waltham, Massachusetts (county: Middlesex). It sits at latitude 42.3986, longitude -71.2451 in the America/New_York time zone.
| Field | Value |
|---|---|
| ZIP code | 02451 |
| City / place | Waltham |
| State | Massachusetts |
| County | Middlesex |
| Coordinates | 42.3986, -71.2451 |
| Time zone | America/New_York |
| City population | 63,378 |
| ZIP type | PO box / unique |
| Telephone area codes | 339, 781 |
What is ZIP code 02451?
02451 is a five-digit ZIP code used by the United States Postal Service for Waltham, Massachusetts. It is one of 4 ZIP codes associated with Waltham in this dataset. The delivery area is served from the local post office network, so the ZIP can cover more than one neighbourhood or even cross a city line.
ZIP codes in the same city
Area codes and city profile
Telephone area codes serving Waltham: 339, 781. For population, county and county-seat details, see Waltham and all places in Massachusetts.
Nearby ZIP codes
02452 2.3 km · Waltham02453 3.9 km · Waltham02454 4.7 km · Waltham02421 5.1 km · Lexington02495 5.3 km · Nonantum02478 5.5 km · Belmont02465 5.7 km · West Newton02471 6.0 km · Watertown
Frequently asked questions
What city is ZIP code 02451 in?
ZIP code 02451 is in Waltham, Massachusetts.
What county is 02451 in?
02451 belongs to Middlesex in Massachusetts.
What time zone is ZIP code 02451 in?
02451 is in the America/New_York time zone.