24 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 96003 | Redding | 44,068 |
| 96001 | Redding | 34,109 |
| 96002 | Redding | 34,023 |
| 96007 | Anderson | 25,009 |
| 96019 | Shasta Lake | 10,413 |
| 96073 | Palo Cedro | 5,633 |
| 96088 | Shingletown | 4,552 |
| 96013 | Burney | 3,929 |
| 96028 | Fall River Mills | 1,667 |
| 96069 | Oak Run | 1,371 |
| 96008 | Bella Vista | 1,086 |
| 96062 | Millville | 1,074 |
| 96051 | Lakehead | 885 |
| 96047 | Igo | 857 |
| 96087 | Shasta | 819 |
| 96084 | Round Mountain | 760 |
| 96096 | Whitmore | 717 |
| 96065 | Montgomery Creek | 346 |
| 96016 | Cassel | 297 |
| 96033 | French Gulch | 245 |
| 96011 | Big Bend | 157 |
| 96017 | Castella | 132 |
| 96040 | Hat Creek | 88 |
| 96071 | Old Station | 17 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 24 ZCTAs in Shasta County, California (US Census).