ZIP Codes in La Palma, CA
La Palma uses 1 ZIP code, all in Orange County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 1 La Palma ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 90623 | standard | Orange | 15,545 |
Finding a ZIP+4 in La Palma
Knowing which of these 1 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 La Palma street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
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