ZIP Codes in Hermosa Beach, CA
Hermosa Beach uses 1 ZIP code, 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 1 Hermosa Beach ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 90254 | standard | Los Angeles | 19,063 |
Finding a ZIP+4 in Hermosa Beach
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 Hermosa Beach 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 Hermosa Beach addresses and download it complete.