24 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 96003 | Redding | 44,923 |
| 96001 | Redding | 33,817 |
| 96002 | Redding | 33,783 |
| 96007 | Anderson | 24,768 |
| 96019 | Shasta Lake | 10,350 |
| 96073 | Palo Cedro | 5,750 |
| 96088 | Shingletown | 4,239 |
| 96013 | Burney | 3,779 |
| 96028 | Fall River Mills | 1,526 |
| 96069 | Oak Run | 1,426 |
| 96062 | Millville | 1,243 |
| 96051 | Lakehead | 1,070 |
| 96008 | Bella Vista | 1,054 |
| 96087 | Shasta | 899 |
| 96047 | Igo | 841 |
| 96084 | Round Mountain | 671 |
| 96096 | Whitmore | 577 |
| 96065 | Montgomery Creek | 221 |
| 96016 | Cassel | 193 |
| 96033 | French Gulch | 172 |
| 96017 | Castella | 122 |
| 96011 | Big Bend | 75 |
| 96040 | Hat Creek | 57 |
| 96071 | Old Station | 20 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 24 ZCTAs in Shasta County, California (US Census).