California Area Codes

Located in the far west of the United States, California is one of the largest states in the country. The state is limited to the Pacific Ocean to the west, Oregon to the north, Arizona and Nevada to the east and the Mexican State of Baja California to the south. California is known as the Golden State, a name given because it attracted tens of thousands of people in the gold rush in 1849. The state was annexed by the Americans in the 1850s, in a war with Mexico.

The state is one of the largest in the United States, with the third largest territorial dimension. California is also the most populous, with a population of almost 33,871,648 million. Four of the largest American cities are located in California: Los Angeles, San Francisco, San Diego and San Jose.

  • Abbreviationfinder.org: Find major meanings of abbreviation CA including the most common definition – California. Also see the list of other meanings in addition to California.
  • Countryaah.com: Provides ranking of top ten cities and towns in California by population. Also includes alphabetical list of and profile of each city of California.

The state’s economic importance is enormous. Proof of this is the fact that it is the largest industrial center in the United States. If California were a country, it would be the seventh world economy, since its GDP reached 1.55 trillion dollars in 2004. In the State is located Silicon Valley, a region that houses a group of the largest companies in the world in the area of ​​technology and information technology. In addition, California is the national leader in the production of agricultural products.

The predominant climate in the State is the temperate Mediterranean. Temperatures can be very high in the summer, averaging 33ºC, and cold in the winter, especially in the northeastern region. California is the U.S. state with the largest contingent of Latin American immigrants; about 93% of its population lives in urban areas.

Map of Area Codes in California

Area Code Map of California

California consists of the following area codes. Click on the area code to show the cities in that area code.

California Area Codes by County

The area code of 209 is used in the following 11 counties:

  1. Amador, CA
  2. Calaveras, CA
  3. El Dorado, CA
  4. Fresno, CA
  5. Madera, CA
  6. Mariposa, CA
  7. Merced, CA
  8. Sacramento, CA
  9. San Joaquin, CA
  10. Stanislaus, CA
  11. Tuolumne, CA

The area code of 213 is used in the following 1 counties:

  1. Los Angeles, CA

The area code of 279 is used in the following 4 counties:

  1. Amador, CA
  2. El Dorado, CA
  3. Placer, CA
  4. Sacramento, CA

The area code of 310 is used in the following 1 counties:

  1. Los Angeles, CA

The area code of 323 is used in the following 1 counties:

  1. Los Angeles, CA

The area code of 341 is used in the following 2 counties:

  1. Alameda, CA
  2. Contra Costa, CA

The area code of 408 is used in the following 5 counties:

  1. Alameda, CA
  2. Monterey, CA
  3. San Benito, CA
  4. Santa Clara, CA
  5. Santa Cruz, CA

The area code of 415 is used in the following 4 counties:

  1. Alameda, CA
  2. Marin, CA
  3. San Francisco, CA
  4. San Mateo, CA

The area code of 424 is used in the following 1 counties:

  1. Los Angeles, CA

The area code of 442 is used in the following 7 counties:

  1. Imperial, CA
  2. Inyo, CA
  3. Kern, CA
  4. Mono, CA
  5. Riverside, CA
  6. San Bernardino, CA
  7. San Diego, CA

The area code of 510 is used in the following 4 counties:

  1. Alameda, CA
  2. Contra Costa, CA
  3. San Francisco, CA
  4. Santa Clara, CA

The area code of 530 is used in the following 22 counties:

  1. Alpine, CA
  2. Butte, CA
  3. Colusa, CA
  4. El Dorado, CA
  5. Glenn, CA
  6. Humboldt, CA
  7. Lassen, CA
  8. Modoc, CA
  9. Mono, CA
  10. Nevada, CA
  11. Placer, CA
  12. Plumas, CA
  13. Sacramento, CA
  14. Shasta, CA
  15. Sierra, CA
  16. Siskiyou, CA
  17. Solano, CA
  18. Sutter, CA
  19. Tehama, CA
  20. Trinity, CA
  21. Yolo, CA
  22. Yuba, CA

The area code of 559 is used in the following 6 counties:

  1. Fresno, CA
  2. Kern, CA
  3. Kings, CA
  4. Madera, CA
  5. Stanislaus, CA
  6. Tulare, CA

The area code of 562 is used in the following 2 counties:

  1. Los Angeles, CA
  2. Orange, CA

The area code of 619 is used in the following 1 counties:

  1. San Diego, CA

The area code of 626 is used in the following 2 counties:

  1. Los Angeles, CA
  2. Orange, CA

The area code of 628 is used in the following 2 counties:

  1. Marin, CA
  2. San Francisco, CA

The area code of 650 is used in the following 4 counties:

  1. Alameda, CA
  2. San Francisco, CA
  3. San Mateo, CA
  4. Santa Clara, CA

The area code of 657 is used in the following 2 counties:

  1. Los Angeles, CA
  2. Orange, CA

The area code of 661 is used in the following 5 counties:

  1. Kern, CA
  2. Los Angeles, CA
  3. San Bernardino, CA
  4. Santa Barbara, CA
  5. Tulare, CA

The area code of 669 is used in the following 3 counties:

  1. Alameda, CA
  2. Santa Clara, CA
  3. Santa Cruz, CA

The area code of 707 is used in the following 10 counties:

  1. Contra Costa, CA
  2. Del Norte, CA
  3. Humboldt, CA
  4. Lake, CA
  5. Marin, CA
  6. Mendocino, CA
  7. Napa, CA
  8. Solano, CA
  9. Sonoma, CA
  10. Trinity, CA

The area code of 714 is used in the following 2 counties:

  1. Los Angeles, CA
  2. Orange, CA

The area code of 747 is used in the following 1 counties:

  1. Los Angeles, CA

The area code of 760 is used in the following 8 counties:

  1. Imperial, CA
  2. Inyo, CA
  3. Kern, CA
  4. Los Angeles, CA
  5. Mono, CA
  6. Riverside, CA
  7. San Bernardino, CA
  8. San Diego, CA

The area code of 805 is used in the following 6 counties:

  1. Kern, CA
  2. Los Angeles, CA
  3. Monterey, CA
  4. San Luis Obispo, CA
  5. Santa Barbara, CA
  6. Ventura, CA

The area code of 818 is used in the following 2 counties:

  1. Los Angeles, CA
  2. Ventura, CA

The area code of 820 is used in the following 5 counties:

  1. Los Angeles, CA
  2. Monterey, CA
  3. San Luis Obispo, CA
  4. Santa Barbara, CA
  5. Ventura, CA

The area code of 831 is used in the following 4 counties:

  1. Fresno, CA
  2. Monterey, CA
  3. San Benito, CA
  4. Santa Cruz, CA

The area code of 858 is used in the following 1 counties:

  1. San Diego, CA

The area code of 909 is used in the following 5 counties:

  1. Los Angeles, CA
  2. Marin, CA
  3. Orange, CA
  4. Riverside, CA
  5. San Bernardino, CA

The area code of 916 is used in the following 7 counties:

  1. Amador, CA
  2. Butte, CA
  3. El Dorado, CA
  4. Placer, CA
  5. Sacramento, CA
  6. Sutter, CA
  7. Yolo, CA

The area code of 925 is used in the following 2 counties:

  1. Alameda, CA
  2. Contra Costa, CA

The area code of 949 is used in the following 1 counties:

  1. Orange, CA

The area code of 951 is used in the following 2 counties:

  1. Riverside, CA
  2. San Bernardino, CA