Home > CT > Naugatuck Valley County > Beacon Falls > Zip 06403

Zip Code 06403 — Beacon Falls, CT

06403 is a ZIP Code associated with Beacon Falls, CT, located within Naugatuck Valley. The postal region supports an estimated population of 6,147 residents across Data Pending housing units, with a population density of 245.4 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.439020, -73.056790)

Data Metric	Local Statistic
Postal / Zip Code	06403
Primary City	Beacon Falls
State / Province	CT
County	Naugatuck Valley
Total Population	6,147
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	245.4 people/sq mi
Timezone	America/New_York

How 06403 Compares

Metric	ZIP 06403	Naugatuck Valley County	CT State Average
Population	6,147	455,072	3,624,508
Median Income	Data Pending	N/A	N/A
Population Density	245.4 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 06524	Bethany	3.4 mi	5,288	N/A
Zip 06770	Naugatuck	3.5 mi	31,823	N/A
Zip 06478	Oxford	4.1 mi	12,991	N/A
Zip 06483	Seymour	4.3 mi	16,889	N/A
Zip 06712	Prospect	5.9 mi	9,458	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →