ZIP Codes in Richmond, CA
Richmond uses 3 ZIP codes, all in Contra Costa County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Richmond ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 94801 | standard | Contra Costa | 33,591 |
| 94804 | standard | Contra Costa | 44,891 |
| 94805 | standard | Contra Costa | 14,670 |
Finding a ZIP+4 in Richmond
Knowing which of these 3 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 Richmond 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 Richmond addresses and download it complete.