ZIP Codes in Marysville, WA
Marysville uses 2 ZIP codes, all in Snohomish County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 Marysville ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 98270 | standard | Snohomish | 55,049 |
| 98271 | standard | Snohomish | 30,838 |
Finding a ZIP+4 in Marysville
Knowing which of these 2 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 Marysville street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Marysville addresses and download it complete.