ZIP Codes in Chico, CA
Chico uses 4 ZIP codes, all in Butte County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 4 Chico ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 95926 | standard | Butte | 40,567 |
| 95928 | standard | Butte | 37,409 |
| 95929 | standard | Butte | — |
| 95973 | standard | Butte | 39,031 |
Finding a ZIP+4 in Chico
Knowing which of these 4 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 Chico 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 Chico addresses and download it complete.