ZIP code · Waterbury · Connecticut · United States

ZIP code 06726 — Waterbury

ZIP code 06726 serves Waterbury, Connecticut.

Postal code
06726
Single source Value from one source, not cross-checked.
City
Waterbury
County
Naugatuck Valley
State
Connecticut
Country
United States
Coordinates
41.5582, -73.0515 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone
6b (-5 to 0 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/New_York (UTC−5 / UTC−4 DST)
Area codes
203, 475
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 84°F), coldest Jan (avg low 19°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F373948607079848275645242
Avg low °F192028384857636154423225
Precip in3.02.94.04.13.54.03.43.54.34.53.44.1

NOAA 1991–2020 climate normals from the nearest station: MERIDEN MARKHAM MUNI AP (12.1 mi) · NOAA NCEI

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page