ZIP code · Hagerstown · Maryland · United States

ZIP code 21749 — Hagerstown

ZIP code 21749 serves Hagerstown, Maryland.

Postal code: 21749
Single source Value from one source, not cross-checked.
City: Hagerstown
County: Washington
State: Maryland
Country: United States
Coordinates: 39.6418, -77.7200 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 7b (5 to 10 °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 21749 with another ZIP · ZIPs within 25 miles · distance from 21749

Climate — monthly normals

Warmest month Jul (avg high 86°F), coldest Jan (avg low 22°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	40	44	53	65	74	83	86	85	78	66	54	44
Avg low °F	22	25	32	41	53	62	66	65	56	45	34	27
Precip in	3.2	2.7	3.9	3.9	4.3	3.4	3.7	3.7	4.8	3.4	2.9	3.7

NOAA 1991–2020 climate normals from the nearest station: HAGERSTOWN 1 E (1.2 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