24 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 96003 | Redding | 43,945 |
| 96001 | Redding | 34,721 |
| 96002 | Redding | 34,634 |
| 96007 | Anderson | 24,849 |
| 96019 | Shasta Lake | 10,466 |
| 96073 | Palo Cedro | 5,648 |
| 96088 | Shingletown | 4,703 |
| 96013 | Burney | 4,212 |
| 96028 | Fall River Mills | 1,805 |
| 96069 | Oak Run | 1,390 |
| 96008 | Bella Vista | 1,123 |
| 96051 | Lakehead | 1,067 |
| 96062 | Millville | 1,002 |
| 96047 | Igo | 843 |
| 96087 | Shasta | 824 |
| 96096 | Whitmore | 784 |
| 96084 | Round Mountain | 664 |
| 96065 | Montgomery Creek | 364 |
| 96033 | French Gulch | 321 |
| 96016 | Cassel | 319 |
| 96011 | Big Bend | 232 |
| 96017 | Castella | 143 |
| 96040 | Hat Creek | 71 |
| 96071 | Old Station | 7 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 24 ZCTAs in Shasta County, California (US Census).