ZIP codes in Prince George's County
67 ZIPs touch Prince George's County, Maryland. The blue dashed line is the county border; orange ZIPs reach into it.
67
ZIP codes
8
cross the county line
1,087,652
people in these ZIPs
24
counties in MD
Most people
Prince George's County ZIP list
More counties in Maryland
- Frederick County39
- Garrett County13
- Harford County25
- Howard County28
- Kent County9
- Montgomery County83
- Queen Anne's County19
- Somerset County13
- St. Mary's County29
- Talbot County16
- Washington County26
- Wicomico County19
Questions people actually ask
How many ZIP codes are in Prince George's County, Maryland?
67 ZIP codes reach into Prince George's County, including 27 PO Box or single-address ZIPs placed by the town they serve. 8 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Prince George's County has the most people?
20904 (Silver Spring) has about 58,646 residents, the most of any ZIP touching Prince George's County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Prince George's 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 Prince George's 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.
Keep exploring
Updated 2026-11-10 · Where the data comes from