ZIP codes in Berkeley County
14 ZIPs touch Berkeley County, West Virginia. The blue dashed line is the county border; orange ZIPs reach into it.
14
ZIP codes
3
cross the county line
145,339
people in these ZIPs
55
counties in WV
Most people
Berkeley County ZIP list
More counties in West Virginia
- Barbour County12
- Boone County31
- Braxton County18
- Brooke County9
- Cabell County48
- Calhoun County16
- Clay County16
Questions people actually ask
How many ZIP codes are in Berkeley County, West Virginia?
14 ZIP codes reach into Berkeley County, including 2 PO Box or single-address ZIPs placed by the town they serve. 3 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Berkeley County has the most people?
25404 (Martinsburg) has about 23,990 residents, the most of any ZIP touching Berkeley County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Berkeley 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 Berkeley 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