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Gyms & fitness in Simi Valley, CA

98 gyms & fitness listed in Simi Valley, California. 93 with a phone number and 87 with a website.

Simi Valley accounts for 0% of the gyms & fitness listed in California and ranks #44 among California cities for gyms & fitness.

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Quick answer

Simi Valley, CA has 98 gyms & fitness listed on USA Business Search. 93 list a phone number and 87 list a website. The most listings are in ZIP codes 93065, 93063.

Updated October 2026
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How to choose a gym in Simi Valley

  • Ask for a free trial or day pass before you sign.
  • Read the cancellation terms before you join.
  • Visit at the time you plan to work out to see how busy it gets.

Medical weight loss and GLP-1 care in Simi Valley: what to ask

  • GLP-1 medicines such as semaglutide and tirzepatide are prescription-only. A licensed prescriber should review your health history and any labs.
  • Ask whether the medication is an FDA-approved brand or a compounded version, and which pharmacy fills it.
  • Ask for the full monthly cost in writing: visits, medication, shipping and follow-up.
  • Ask how side effects are monitored and how often you will check in with a clinician or dietitian.

See the medical weight loss guide for providers by state.

Common questions

How many gyms & fitness are listed in Simi Valley, California?

USA Business Search shows 98 gyms & fitness in Simi Valley. 93 list a phone number and 87 list a website.

Which ZIP codes do these listings cover?

They include ZIP codes 93065, 93063.

How do I choose a gym in Simi Valley?

Ask for a free trial or day pass before you sign. Read the cancellation terms before you join.

How do gyms & fitness in Simi Valley compare with the rest of California?

Simi Valley has 0% of the 23,875 gyms & fitness listed in California, which ranks #44 among California cities for this category.

How do I add or fix a listing?

Listings are free. Use Add your business, or the Claim or fix link on any listing.

Do I need a prescription for GLP-1 weight loss in Simi Valley?

Yes. Semaglutide and tirzepatide are prescription medications, and a licensed provider decides whether they are appropriate for you. Telehealth programs such as Elevation Health (featured) review your intake from home.

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