Washington · King
98040 ZIP Code
98040 is associated with Mercer Island, Washington. The page shows the county, timezone, nearby ZIPs and links to the state hub for a nearby city generator.
ZIP details
- ZIP code
- 98040
- City
- Mercer Island
- State
- Washington (WA)
- County
- King
- Timezone
- America/Los_Angeles
- State sales tax
- Varies by state
Questions about 98040
- 98040 is associated with Mercer Island, Washington in the bundled dataset. ZIP areas can cross city and county lines, so use the city and county fields together.
- King. County boundaries and postal areas are not the same thing; a ZIP can serve addresses in more than one county.
- America/Los_Angeles. This is the IANA timezone name for the city associated with the ZIP.
- It appears in the public city dataset bundled with this site. That confirms the format and city association, not that a specific street, mailbox, or resident exists.