ZIP codes in Spokane County

60 ZIPs touch Spokane County, Washington. The blue dashed line is the county border; orange ZIPs reach into it.

60

ZIP codes

12

cross the county line

576,170

people in these ZIPs

39

counties in WA

Most people

Spokane County ZIP list

Questions people actually ask

How many ZIP codes are in Spokane County, Washington?

60 ZIP codes reach into Spokane County, including 12 PO Box or single-address ZIPs placed by the town they serve. 12 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Spokane County has the most people?

99208 (Spokane) has about 58,669 residents, the most of any ZIP touching Spokane County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Spokane 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 Spokane 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.

Updated 2026-11-10 · Where the data comes from