ZIP code · Castalia · North Carolina · United States

ZIP code 27816 — Castalia

ZIP code 27816 serves Castalia, North Carolina.

Postal code
27816
Single source Value from one source, not cross-checked.
City
Castalia
County
Nash FIPS 37127
State
North Carolina
Country
United States
Coordinates
36.0901, -78.0705 — precision precise (locality)
View on OpenStreetMap
Population
2,964 (ZCTA, ACS 5-year)
Population density
46 / sq mi
Land area
65 sq mi (168.4 km²) (ZCTA, ACS 5-year)
Median household income
$31,806
Per-capita income
$19,574
Median age
51.7
Households
1,279
Housing units
1,474
Median home value
$112,100
Median gross rent
$821 / month
Congressional districts
NC-13 (also NC-1) (119th Congress)
USDA hardiness zone
8a (10 to 15 °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
252 (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.

Climate — monthly normals

Warmest month Jul (avg high 90°F), coldest Jan (avg low 28°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F525563727987908983736355
Avg low °F283036445463686660463531
Precip in3.72.94.13.53.74.74.85.54.93.63.43.5

NOAA 1991–2020 climate normals from the nearest station: LOUISBURG (13.0 mi) · NOAA NCEI

Places in ZIP 27816

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