ZIP code · West Millbury · Massachusetts · United States

ZIP code 01586 — West Millbury

ZIP code 01586 serves West Millbury, Massachusetts.

Postal code: 01586
Single source Value from one source, not cross-checked.
City: West Millbury
County: Worcester
State: Massachusetts
Country: United States
Coordinates: 42.1712, -71.8037 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 6a (-10 to -5 °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: 774, 508 (from the nearest rate centre)
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.

Tools: compare 01586 with another ZIP · ZIPs within 25 miles · distance from 01586

Climate — monthly normals

Warmest month Jul (avg high 83°F), coldest Jan (avg low 15°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	34	37	45	57	69	77	83	81	74	61	50	39
Avg low °F	15	15	24	34	45	55	60	59	51	39	30	21
Precip in	3.8	3.2	4.4	4.3	3.6	4.0	3.9	4.2	4.1	4.8	3.9	4.6

NOAA 1991–2020 climate normals from the nearest station: BUFFUMVILLE LAKE (6.5 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