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
Population
City
286756,591Sparta
286231,771Ennice
286271,371Glade Valley
286441,134Laurel Springs
28663461Piney Creek
28668165Roaring Gap

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