There are 6 zip codes in Alleghany County, North Carolina. The most populated is 28675, located in Sparta. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
28675Sparta6,591
28623Ennice1,771
28627Glade Valley1,371
28644Laurel Springs1,134
28663Piney Creek461
28668Roaring Gap165

Alleghany County, North Carolina Zip Codes by Population (2024)