530 Area Code
The 530 area code is used by SOME cities and towns in these Counties:
| Alpine County | Cities & Towns | ZIP Codes | Features |
| Butte County | Cities & Towns | ZIP Codes | Features |
| Colusa County | Cities & Towns | ZIP Codes | Features |
| El Dorado County | Cities & Towns | ZIP Codes | Features |
| Glenn County | Cities & Towns | ZIP Codes | Features |
| Humboldt County | Cities & Towns | ZIP Codes | Features |
| Lassen County | Cities & Towns | ZIP Codes | Features |
| Modoc County | Cities & Towns | ZIP Codes | Features |
| Nevada County | Cities & Towns | ZIP Codes | Features |
| Placer County | Cities & Towns | ZIP Codes | Features |
| Plumas County | Cities & Towns | ZIP Codes | Features |
| Shasta County | Cities & Towns | ZIP Codes | Features |
| Sierra County | Cities & Towns | ZIP Codes | Features |
| Siskiyou County | Cities & Towns | ZIP Codes | Features |
| Sutter County | Cities & Towns | ZIP Codes | Features |
| Tehama County | Cities & Towns | ZIP Codes | Features |
| Trinity County | Cities & Towns | ZIP Codes | Features |
| Yolo County | Cities & Towns | ZIP Codes | Features |
| Yuba County | Cities & Towns | ZIP Codes | Features |
