Simi Valley, CA

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Name Origin: From the Chumash word shimiji, referring to the thread-like clouds sometimes seen over the valley
Incorporation Date: October 10, 1969
Population: 124,524
Size (square miles): 40
Type of Government: General law; city manager system
ZIP Codes: 93062, 93063, 93064, 93065, 93093
Elevation (at City Hall): 977 feet
Average Annual Rainfall: 14.96 inches
Average Annual High Temperature: 74 degrees
Average Annual low Temperature: 51 degrees
City Hall Information:
  Address: 2929 Tapo Canyon Rd, Simi Valley CA 93063
  Phone Number: (805) 583-6700
  Web site:
Simi Valley Chamber of Commerce
  Address: 40 W. Cochran Street, Suite 100, Simi Valley, CA 93065
  Phone Number: (805) 526-3900
  Fax: (805) 526-6234
  Web site:
  Publications: Membership directory, newsletter