ZIP codes in Northumberland County
11 ZIPs touch Northumberland County, Virginia. The blue dashed line is the county border; orange ZIPs reach into it.
11
ZIP codes
4
cross the county line
18,653
people in these ZIPs
133
counties in VA
Most people
Northumberland County ZIP list
More counties in Virginia
- Montgomery County15
- Nelson County18
- New Kent County6
- Newport News city9
- Norfolk city22
- Northampton County16
- Norton city1
- Nottoway County8
- Orange County13
- Page County6
- Patrick County15
- Petersburg city2
Questions people actually ask
How many ZIP codes are in Northumberland County, Virginia?
11 ZIP codes reach into Northumberland County, including 4 PO Box or single-address ZIPs placed by the town they serve. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Northumberland County has the most people?
22473 (Heathsville) has about 5,498 residents, the most of any ZIP touching Northumberland County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Northumberland 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 Northumberland 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