Killingworth zipcode
| City | Killingworth |
| ZIP Code | 06419 |
| Type | Standard |
| State Code | CT |
| State | Connecticut |
ZIP code of Killingworth is 06419. This place is located in Connecticut state in US. To send any postal service to Killingworth, you must use 06419 zipcode.
The ZIP code 06419 is also used with 1 more city name of Connecticut.
- Deep River, CT