ZIP Codes in Renton, WA
Renton uses 5 ZIP codes, all in King County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 5 Renton ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 98055 | standard | King | 24,660 |
| 98056 | standard | King | 35,849 |
| 98057 | standard | King | 12,705 |
| 98058 | standard | King | 42,980 |
| 98059 | standard | King | 42,406 |
Finding a ZIP+4 in Renton
Knowing which of these 5 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Renton street almost always have different ZIP+4 codes even though they share all five leading digits.
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Upload a CSV of Renton addresses and download it complete.