ZIP code · Eckhart Mines · Maryland · United States

ZIP code 21528 — Eckhart Mines

ZIP code 21528 serves Eckhart Mines, Maryland.

Postal code: 21528
Single source Value from one source, not cross-checked.
City: Eckhart Mines
County: Allegany
State: Maryland
Country: United States
Coordinates: 39.6528, -78.9014 — 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: 240, 301 (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 21528 with another ZIP · ZIPs within 25 miles · distance from 21528

Climate — monthly normals

Warmest month Jul (avg high 79°F), coldest Jan (avg low 19°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	34	37	46	59	68	75	79	78	72	60	49	38
Avg low °F	19	20	26	37	47	55	59	58	52	41	31	24
Precip in	3.4	3.0	4.0	4.0	5.2	4.6	3.7	3.5	4.2	3.3	2.9	3.4

NOAA 1991–2020 climate normals from the nearest station: FROSTBURG 2 (1.9 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