Fitchburg, MA zip code
Fitchburg, Massachusetts uses one zip code: 01420. Most of it is in Worcester County. Together these zip codes are home to about 42K people.
Zip codes
1
Population
42K
All zips combined
Largest zip
01420
41,839 residents
Zip codes in Fitchburg
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 01420 | 41,839 | $72,780 |