Geographic Regions and Area Codes in California

California is a vast state with diverse geographic regions, each contributing uniquely to its economy. Understanding these regions is crucial for businesses looking to establish or expand their operations. Here are some key regions and their corresponding area codes:

  • Northern California Megaregion: Includes the Bay Area, Sacramento Area, Northern San Joaquin Valley, and Monterey Bay Area. Key area codes include 415, 510, and 916.
  • Los Angeles-Long Beach-Glendale MSA: A major metropolitan area with area codes such as 213, 310, and 323.
  • San Francisco-Redwood City-South San Francisco MSA: Another significant region with area codes like 415 and 650.
  • San Diego-Carlsbad-San Marcos MSA: Known for its vibrant business environment, with area codes such as 619 and 760.