ZIP code · Lisbon · Maryland · United States

ZIP code 21765 — Lisbon

ZIP code 21765 serves Lisbon, Maryland.

Postal code: 21765
Single source Value from one source, not cross-checked.
City: Lisbon
County: Howard
State: Maryland
Country: United States
Coordinates: 39.3378, -77.0720 — 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: 443, 667, 410 (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 21765 with another ZIP · ZIPs within 25 miles · distance from 21765

Climate — monthly normals

Warmest month Jul (avg high 84°F), coldest Jan (avg low 25°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	39	43	52	64	73	80	84	83	76	65	53	44
Avg low °F	25	26	33	43	53	62	66	65	58	47	36	30
Precip in	3.4	3.0	4.0	3.6	4.3	4.7	4.5	4.2	4.8	4.0	3.5	3.9

NOAA 1991–2020 climate normals from the nearest station: DAMASCUS 3 SSW (9.9 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