ZIP Codes in San Rafael, CA
San Rafael uses 2 ZIP codes, all in Marin County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 San Rafael ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 94901 | standard | Marin | 41,307 |
| 94903 | standard | Marin | 30,615 |
Finding a ZIP+4 in San Rafael
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 San Rafael 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 San Rafael addresses and download it complete.