Mesa, WA ZIP code
The ZIP code for Mesa, Washington is 99343. It is in Franklin County.
- Population in these ZIPs
- 3,215
- Avg. median income
- $59,500population-weighted
- Typical home value
- $566,300population-weighted
- Metro area
- Kennewick-Richland, WA
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Mesa, WA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 99343 | 3,215 | $59,451 | $566,300 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Mesa
- Eltopia 10 mi
- Othello 16 mi
- Connell 16 mi
- Pasco 21 mi
- West Richland 22 mi
- Richland 22 mi
- Benton City 25 mi
- Sunnyside 25 mi
- Mattawa 27 mi
- Warden 28 mi
- Royal City 31 mi
- Kennewick 31 mi
Frequently asked questions
What is the ZIP code for Mesa, WA?
The ZIP code for Mesa, WA is 99343.
What county is Mesa, Washington in?
Mesa ZIP codes are in Franklin County.