Willimantic, Connecticut
1 ZIP code · Eastern time
ZIP codes (largest first)
| Population | 18,096 |
|---|---|
| State | Connecticut |
| County | Northeastern Connecticut Planning Region |
| Time zone | Eastern |
| Land area | 5.42 sq mi |
Area codes in this area
These are the area codes that most often serve Willimantic (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Find the ZIP+4 for an address in Willimantic
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.