ZIP codes in Guilford County
54 ZIPs touch Guilford County, North Carolina. The blue dashed line is the county border; orange ZIPs reach into it.
54
ZIP codes
17
cross the county line
768,041
people in these ZIPs
100
counties in NC
Most people
Guilford County ZIP list
More counties in North Carolina
- Franklin County14
- Gaston County20
- Gates County7
- Graham County3
- Granville County12
- Greene County11
- Halifax County10
- Harnett County20
- Haywood County8
- Henderson County22
- Hertford County9
- Hoke County9
Questions people actually ask
How many ZIP codes are in Guilford County, North Carolina?
54 ZIP codes reach into Guilford County, including 19 PO Box or single-address ZIPs placed by the town they serve. 17 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Guilford County has the most people?
27406 (Greensboro) has about 60,651 residents, the most of any ZIP touching Guilford County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Guilford 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 Guilford 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