ZIP Codes in Vacaville, CA
Vacaville uses 2 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 2 Vacaville ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 95687 | standard | Solano | 69,390 |
| 95688 | standard | Solano | 40,201 |
Finding a ZIP+4 in Vacaville
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 Vacaville 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 Vacaville addresses and download it complete.