ZIP Codes in Santa Monica, CA
Santa Monica uses 5 ZIP codes, all in Los Angeles County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 5 Santa Monica ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 90401 | standard | Los Angeles | 8,101 |
| 90402 | standard | Los Angeles | 11,337 |
| 90403 | standard | Los Angeles | 23,867 |
| 90404 | standard | Los Angeles | 22,978 |
| 90405 | standard | Los Angeles | 27,298 |
Finding a ZIP+4 in Santa Monica
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 Santa Monica street almost always have different ZIP+4 codes even though they share all five leading digits.
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