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ZIP codes in Horry County

21 ZIPs touch Horry County, South Carolina. The blue dashed line is the county border; orange ZIPs reach into it.

21

ZIP codes

2

cross the county line

395,678

people in these ZIPs

46

counties in SC

Most people

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Horry County ZIP list

More counties in South Carolina

All 46 counties in South Carolina

Questions people actually ask

How many ZIP codes are in Horry County, South Carolina?

21 ZIP codes reach into Horry County, including 5 PO Box or single-address ZIPs placed by the town they serve. 2 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Horry County has the most people?

29579 (Myrtle Beach) has about 56,915 residents, the most of any ZIP touching Horry County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Horry 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 Horry 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