ZIP Codes in Berkeley, CA
Berkeley uses 9 ZIP codes, all in Alameda, Contra Costa Counties. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 9 Berkeley ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 94702 | standard | Alameda | 17,635 |
| 94703 | standard | Alameda | 20,934 |
| 94704 | standard | Alameda | 23,788 |
| 94705 | standard | Alameda | 13,991 |
| 94707 | standard | Alameda | 12,811 |
| 94708 | standard | Contra Costa | 11,947 |
| 94709 | standard | Alameda | 12,146 |
| 94710 | standard | Alameda | 8,380 |
| 94720 | standard | Alameda | 5,763 |
Finding a ZIP+4 in Berkeley
Knowing which of these 9 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 Berkeley street almost always have different ZIP+4 codes even though they share all five leading digits.
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