ZIP code · Wilmington · North Carolina · United States

ZIP code 28402 — Wilmington

ZIP code 28402 serves Wilmington, North Carolina.

Postal code: 28402
Single source Value from one source, not cross-checked.
City: Wilmington
County: New Hanover
State: North Carolina
Country: United States
Coordinates: 34.3405, -77.9014 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 8b (15 to 20 °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: 910, 472
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 28402 with another ZIP · ZIPs within 25 miles · distance from 28402

Climate — monthly normals

Warmest month Jul (avg high 89°F), coldest Jan (avg low 33°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	56	59	65	73	80	86	89	88	83	75	66	59
Avg low °F	33	35	41	50	59	67	71	70	64	52	42	36
Precip in	4.0	3.7	4.1	3.3	4.9	6.2	7.5	7.8	9.7	4.6	3.8	3.9

NOAA 1991–2020 climate normals from the nearest station: WILMINGTON 7 N (1.7 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