ZIP code · Granite Falls · North Carolina · United States

ZIP code 28630 — Granite Falls

ZIP code 28630 serves Granite Falls, North Carolina.

Postal code
28630
Single source Value from one source, not cross-checked.
City
Granite Falls
County
Caldwell FIPS 37027
State
North Carolina
Country
United States
Coordinates
35.7965, -81.4306 — precision precise (locality)
View on OpenStreetMap
Population
20,400 (ZCTA, ACS 5-year)
Population density
335 / sq mi
Land area
61 sq mi (157.9 km²) (ZCTA, ACS 5-year)
Median household income
$65,713
Per-capita income
$34,704
Median age
46.3
Households
8,023
Housing units
9,220
Median home value
$197,800
Median gross rent
$808 / month
Congressional district
NC-5 (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
828
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 87°F), coldest Jan (avg low 30°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F495361707784878680706052
Avg low °F303340485664686761493933
Precip in3.83.24.14.13.94.34.34.63.93.53.63.9

NOAA 1991–2020 climate normals from the nearest station: HICKORY FAA AP (4.6 mi) · NOAA NCEI

Places in ZIP 28630

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