ZIP Codes in Morro Bay, CA
Morro Bay uses 1 ZIP code, all in San Luis Obispo County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 1 Morro Bay ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 93442 | standard | San Luis Obispo | 11,571 |
Finding a ZIP+4 in Morro Bay
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 Morro Bay 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 Morro Bay addresses and download it complete.