ZIP code · Westminster · Massachusetts · United States

ZIP code 01441 — Westminster

ZIP code 01441 serves Westminster, Massachusetts.

Postal code: 01441
Single source Value from one source, not cross-checked.
City: Westminster
County: Worcester
State: Massachusetts
Country: United States
Coordinates: 42.5459, -71.9106 — 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: 978, 351
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 01441 with another ZIP · ZIPs within 25 miles · distance from 01441

Climate — monthly normals

Warmest month Jul (avg high 80°F), coldest Jan (avg low 14°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	31	33	41	55	66	75	80	78	71	57	46	35
Avg low °F	14	15	23	34	44	54	60	57	51	39	31	20
Precip in	3.5	3.3	4.4	4.2	4.0	4.2	3.9	3.9	4.2	5.1	3.8	4.7

NOAA 1991–2020 climate normals from the nearest station: ASHBURNHAM (5.0 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