ZIP code · Greendell · New Jersey · United States

ZIP code 07839 — Greendell

ZIP code 07839 serves Greendell, New Jersey.

Postal code: 07839
Single source Value from one source, not cross-checked.
City: Greendell
County: Sussex
State: New Jersey
Country: United States
Coordinates: 40.9740, -74.8210 — 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: 862, 973 (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 07839 with another ZIP · ZIPs within 25 miles · distance from 07839

Climate — monthly normals

Warmest month Jul (avg high 84°F), coldest Jan (avg low 19°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	36	39	48	61	71	79	84	82	74	63	52	41
Avg low °F	19	20	28	38	48	57	62	60	52	42	32	25
Precip in	3.3	2.8	4.1	3.8	3.8	4.5	5.1	4.8	4.3	4.6	3.4	4.2

NOAA 1991–2020 climate normals from the nearest station: ANDOVER AEROFLEX AP (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