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City ZIP codes · Connecticut

Waterbury, CT ZIP Codes

16 ZIP codes use the postal name Waterbury, Connecticut (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 6 residential and 10 for PO boxes or a single organization. Median household income runs from $48,718 in 06704 to $67,364 in 06708, 1.4 times as much (Census Bureau, ACS 2020-2024). Waterbury's most populous ZIP code is 06704, with 31,713 people (ACS 2020-2024); 100% of its land is in the city of Waterbury.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Waterbury's ZIP codes?

06702: $15k median household income06704: $49k median household income06705: $54k median household income06706: $52k median household income06708: $67k median household income06710: $37k median household income06708067040670506706067020671006702: $15k median household income06704: $49k median household income06705: $54k median household income06706: $52k median household income06708: $67k median household income06710: $37k median household income06708067040670506706067020671006702: $15k median household income06704: $49k median household income06705: $54k median household income06706: $52k median household income06708: $67k median household income06710: $37k median household income0670806704067050670606702
The 6 residential ZIP codes named Waterbury, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Waterbury's ZIP codes?

The highest median household income is in 06708 ($67,364), the lowest in 06704 ($48,718). Home values run from $192,000 in 06704 to $286,100 in 06702.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 6 residential ZIP codes of Waterbury

Residential ZIP codes with the postal name Waterbury, CT, largest first (ACS 2020-2024); sort by any column
County
06704 New Haven County 31,713 3,924 $49k $192k
06708 New Haven County 29,594 3,132 $67k $219k
06705 New Haven County 25,266 4,447 $54k $202k
06706 New Haven County 15,551 4,073 $52k $211k
06710 New Haven County 9,942 10,260 $37k $228k
06702 New Haven County 2,946 4,404 $15k $286k

Download the 16 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Waterbury

10 ZIP codes named Waterbury have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Waterbury, CT: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
06701New Haven County
06703New Haven County
06720New Haven County
06721New Haven County
06722New Haven County
06723New Haven County
06724New Haven County
06725New Haven County
06726New Haven County
06749New Haven County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Waterbury's ZIP codes reach?

Waterbury's residential ZIP codes lie in New Haven County.

Which first three digits do Waterbury's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Waterbury starts with 067.

Three-digit prefixes of Waterbury's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Waterbury's
PrefixSectional centerHereAll codes
067 Hartford, CT (SCF 060) 16 50

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.