OpenPhone is a YC S18 startup building the modern phone system for small businesses.

OpenPhone gives you a supercharged business phone number, in an app, instantly.

OpenPhone was founded in 2018 by Mahyar Raissi and Daryna Kulya. The company is headquartered in San Francisco, California.


OpenPhone's mission is helping small business owners communicate more effectively with their customers, save time and earn more money. OpenPhone adds a second phone number on top of your existing mobile device with powerful features to help your business stand out.


OpenPhone targets small and medium companies that want a mobile-first, easy-to-use solution to take advantage of a second phone number.


OpenPhone is backed by Y Combinator, Slow Ventures, Kindred Ventures, Garage Capital, 122WEST Ventures and others. The company raised $2M in a latest financing on Jan 29, 2020. This brings OpenPhone's total funding to $2.1M to date.



  • Year founded: 2018
  • Funding Info: $2.1M over 2 Rounds (Latest Funding Type: Seed- Series Unknown)
  • Yearly Revenue: NA
  • Employee Size: 2-10
  • Business Valuation: NA
  • City/Town: San Francisco
  • State: California
  • Country: United States
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