About 6403 - Beacon Falls, Connecticut

The ZIP code 6403 of Beacon Falls falls within Connecticut, the United States - a small area by population. It sits within Naugatuck Valley County.

Census data puts the population of this ZIP code at 6,147 residents. That's below the Connecticut average of about 12,717 people per ZIP code.

Population density runs around 245 people per sq. mile, making it a rural area.

This ZIP code sits alongside neighboring areas like Stamford, Bristol, Danbury within Connecticut.