Waltham, MA zip codes
Waltham, Massachusetts has 4 zip codes (3 residential, 1 PO box or single-organization). Most of it is in Middlesex County. Together these zip codes are home to about 65K people.
Zip codes
4
Population
65K
All zips combined
Largest zip
02453
31,591 residents
Income range
$115K–$122K
Median by zip