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California Counties
Counties in bold type are in our service area.
Counties in orange type are partially within our service area.
Sorted by County
| County | Map Region | Lowest Zipcode in County (Sort by Zipcode) |
|---|---|---|
| Alpine | Central | 96120 |
| Amador | Central | 95601 |
| Butte | Northern | 95914 |
| Calaveras | Central | 95222 |
| Colusa | North & Central | 95912 |
| Contra Costa | Central | 94507 |
| Del Norte | Northern | 95531 |
| El Dorado | Central | 95709 |
| Fresno | Central | 93602 |
| Glenn | Northern | 95913 |
| Humboldt | Northern | 95511 |
| Imperial | Southern | 92222 |
| Inyo | South & Central | 93513 |
| Kern | Southern | 93203 |
| Kings | South & Central | 93202 |
| Lake | North & Central | 95422 |
| Lassen | Northern | 96009 |
| Los Angeles | Southern | 93510 |
| Madera | Central | 93601 |
| Marin | Central | 94920 |
| Mariposa | Central | 95306 |
| Mendocino | North & Central | 95410 |
| Merced | Central | 95301 |
| Modoc | Northern | 96006 |
| Mono | Central | 93517 |
| Monterey | South & Central | 95004 |
| Napa | Central | 94508 |
| Nevada | North & Central | 95924 |
| Orange | Southern | 92803 |
| Placer | North & Central | 95701 |
| Plumas | Northern | 96103 |
| Riverside | Southern | 92536 |
| Sacramento | Central | 95608 |
| San Benito | Central | 95023 |
| San Bernardino | Southern | 92301 |
| San Diego | Southern | 91901 |
| San Francisco | Central | 94188 |
| San Joaquin | Central | 95220 |
| San Luis Obispo | Southern | 93420 |
| San Mateo | Central | 94002 |
| Santa Barbara | Southern | 93427 |
| Santa Clara | Central | 95002 |
| Santa Cruz | Central | 95003 |
| Shasta | Northern | 96007 |
| Sierra | Northern | 95910 |
| Siskiyou | Northern | 96014 |
| Solano | Central | 94510 |
| Sonoma | Central | 95412 |
| Sutter | North & Central | 95622 |
| Tehama | Northern | 96021 |
| Trinity | Northern | 96010 |
| Tulare | South & Central | 93201 |
| Tuolumne | Central | 95305 |
| Ventura | Southern | 93010 |
| Yolo | Central | 95605 |
| Yuba | North & Central | 95918 |
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