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ZIP Code 01638

Waltham, Middlesex County, Massachusetts (MA) • Standard Postal Code

MA
City
Waltham
County
Middlesex County
State / Territory
Massachusetts
Area Code
(774)
Coordinates
39.1200, -100.3800
Timezone
America/New_York
Est. Population
138,000
Country
United States (US)
View 01638 on Interactive Map → All ZIP Codes in Waltham