657 Area Code Information

State: CA

Largest City in Area: SANTA ANA

Where is Area Code 657? Area code (657) is in the state of CA. Below, are the major cities in the area code (657).

Major Cities in 657

  • SANTA ANA, CA (10,623)
  • ANAHEIM, CA (9,557)
  • HUNTINGTON BEACH, CA (6,748)
  • GARDEN GROVE, CA (4,376)
  • ORANGE, CA (3,938)
  • FULLERTON, CA (3,394)
  • COSTA MESA, CA (3,274)
  • TUSTIN, CA (3,030)
  • FOUNTAIN VALLEY, CA (2,617)
  • WESTMINSTER, CA (2,489)

Zip Codes in 657

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