Zip Code 01821 - Billerica, Middlesex, MA, United States
Zip Code 01821 Data
| Zip Code | 01821 |
|---|---|
| City | Billerica |
| County | Middlesex |
| County FIPS | 017 |
| State | Massachusetts |
| State FIPS | 25 |
| Latitude | 42.549069 |
| Longitude | -71.25588 |
| Timezone | 5 |
| Daylight | Yes |
| Country | United States |