ZIP code · Wilmington · Delaware · United States

ZIP code 19880 — Wilmington

ZIP code 19880 serves Wilmington, Delaware.

Postal code
19880
Single source Value from one source, not cross-checked.
City
Wilmington
County
New Castle
State
Delaware
Country
United States
Coordinates
39.5645, -75.5970 — 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 code
302
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.

Nearby localities

Climate — monthly normals

Warmest month Jul (avg high 87°F), coldest Jan (avg low 26°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F414453647482878579675646
Avg low °F262734445363686759473730
Precip in3.22.84.23.53.64.74.44.04.43.73.13.9

NOAA 1991–2020 climate normals from the nearest station: WILMINGTON NEW CASTLE CO AP (7.5 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