ZIP Codes in Vallejo, CA
Vallejo uses 4 ZIP codes, all in Solano County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 4 Vallejo ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 94589 | standard | Solano | 29,990 |
| 94590 | standard | Solano | 37,128 |
| 94591 | standard | Solano | 58,193 |
| 94592 | standard | Solano | 1,049 |
Finding a ZIP+4 in Vallejo
Knowing which of these 4 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 Vallejo street almost always have different ZIP+4 codes even though they share all five leading digits.
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