ZIP code · Swansboro · North Carolina · United States

ZIP code 28584 — Swansboro

ZIP code 28584 serves Swansboro, North Carolina.

Postal code
28584
Single source Value from one source, not cross-checked.
City
Swansboro
County
Onslow FIPS 37133
State
North Carolina
Country
United States
Coordinates
34.6991, -77.1350 — precision precise (locality)
View on OpenStreetMap
Population
14,668 (ZCTA, ACS 5-year)
Population density
432 / sq mi
Land area
33.9 sq mi (87.9 km²) (ZCTA, ACS 5-year)
Median household income
$81,574
Per-capita income
$43,140
Median age
45.9
Households
6,026
Housing units
7,550
Median home value
$308,000
Median gross rent
$1,300 / month
Congressional district
NC-3 (119th Congress)
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.

Climate — monthly normals

Warmest month Jul (avg high 88°F), coldest Jan (avg low 32°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F555864737985888681746457
Avg low °F323338475564686662503934
Precip in4.53.94.23.73.95.96.87.28.44.13.83.9

NOAA 1991–2020 climate normals from the nearest station: HOFMANN FOREST (13.4 mi) · NOAA NCEI

Places in ZIP 28584

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

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 · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page