ZIP codes in Alleghany County
7 ZIPs touch Alleghany County, North Carolina. The blue dashed line is the county border; orange ZIPs reach into it.
7
ZIP codes
4
cross the county line
12,711
people in these ZIPs
100
counties in NC
Most people
Alleghany County ZIP list
More counties in North Carolina
- Alamance County15
- Alexander County8
- Anson County8
- Ashe County13
- Avery County13
- Beaufort County15
- Bertie County10
- Bladen County18
Questions people actually ask
How many ZIP codes are in Alleghany County, North Carolina?
7 ZIP codes reach into Alleghany County. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Alleghany County has the most people?
28675 (Sparta) has about 6,745 residents, the most of any ZIP touching Alleghany County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Alleghany County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Alleghany County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from