ZIP codes in Caldwell County
12 ZIPs touch Caldwell County, North Carolina. The blue dashed line is the county border; orange ZIPs reach into it.
12
ZIP codes
9
cross the county line
194,404
people in these ZIPs
100
counties in NC
Most people
Caldwell County ZIP list
More counties in North Carolina
- Bertie County10
- Bladen County18
- Brunswick County15
- Buncombe County28
- Burke County19
- Cabarrus County18
- Camden County5
- Carteret County19
- Caswell County16
- Catawba County15
- Chatham County21
- Cherokee County5
Questions people actually ask
How many ZIP codes are in Caldwell County, North Carolina?
12 ZIP codes reach into Caldwell County, including 2 PO Box or single-address ZIPs placed by the town they serve. 9 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Caldwell County has the most people?
28655 (Morganton) has about 55,100 residents, the most of any ZIP touching Caldwell County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Caldwell 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 Caldwell 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