| Locality | Post Code |
|---|---|
| Nelson, Butte | 95958 |
| Nimshew, Butte | 95954 |
| Nord, Butte | 95973 |
| Oak Grove, Butte | 95965 |
| Oregon City, Butte | 95965 |
| Oroville, Butte | 95965, 95966 |
| Palermo, Butte | 95968 |
| Paradise, Butte | 95969 |
| Paradise Pines, Butte | 95954 |
| Pentz, Butte | 95965 |
| Pulga, Butte | 95965 |
| Richardson Springs, Butte | 95973 |
| Richvale, Butte | 95974 |
| Robinsons Corner, Butte | 95965 |
| South Oroville, Butte | 95965 |
| Stirling City, Butte | 95978 |
| Thermalito, Butte | 95965 |
| Villa Verona, Butte | 95965 |
| Wyandotte, Butte | 95965 |
| Yankee Hill, Butte | 95965 |