ZIP code · Cumberland · Maryland · United States

ZIP code 21503 — Cumberland

ZIP code 21503 serves Cumberland, Maryland.

Postal code: 21503
Single source Value from one source, not cross-checked.
City: Cumberland
County: Allegany
State: Maryland
Country: United States
Coordinates: 39.6529, -78.7625 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 7a (0 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: 240, 301, 227
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 21503 with another ZIP · ZIPs within 25 miles · distance from 21503

Climate — monthly normals

Warmest month Jul (avg high 87°F), coldest Jan (avg low 23°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	39	43	53	66	75	83	87	85	79	67	54	43
Avg low °F	23	24	31	41	51	60	64	63	55	43	34	27
Precip in	2.8	2.4	3.4	3.4	4.2	3.9	3.7	3.4	3.5	2.8	2.6	3.0

NOAA 1991–2020 climate normals from the nearest station: CUMBERLAND 2 (0.8 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