ZIP Codes in Alameda, CA
Alameda uses 2 ZIP codes, all in Alameda County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 Alameda ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 94501 | standard | Alameda | 63,808 |
| 94502 | standard | Alameda | 13,430 |
Finding a ZIP+4 in Alameda
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 Alameda 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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