Area Codes in Mill River
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 413 | — | Massachusetts | 6,433,422 | United States | America/New_York |
Nearby Cities
| City | Region | Country | Population | Area Codes | Zip Codes |
|---|---|---|---|---|---|
| Ashley Falls | Massachusetts | United States | — | 413 | 01222 |
| Monterey, Massachusetts | Massachusetts | United States | 950 | 413 | 01245 |
| North Canaan, Connecticut | Connecticut | United States | — | 860 | 06024 |
| Sheffield, Massachusetts | Massachusetts | United States | 3,393 | 413 | 01257 |
| SouthField, Massachusetts (development) | Massachusetts | United States | — | 413 | — |