ZIP Code 06419 – Killingworth, CT
Killingworth, Connecticut · Lower Connecticut River Valley Planning Region · Eastern time
| ZIP code | 06419 |
|---|---|
| City | Killingworth |
| State | Connecticut |
| County | Lower Connecticut River Valley Planning Region |
| Population | 6,240 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 35.33 sq mi |
| Center (lat, long) | 41.3744, -72.5783 |
Area codes in this area
These are the area codes that most often serve ZIP 06419 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 06419
ZIP code 06419 is assigned to Killingworth, Connecticut. It lies in Lower Connecticut River Valley Planning Region. Its Census area covers about 35.33 square miles of land. The closest neighboring ZIP is 06443 (Madison), about 3.2 miles away.
Every address in 06419 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources