Contact us

Need to reach us? We’d love to hear from you.

Hours of Operation:
Monday – Friday: 8am – 9pm (ET)
Saturday and Sunday: Closed

Please fill out the form and we’ll get back to you within one business day.

Our office will be closed for the following holidays:

  • Fri, Jul 1, 2022
  • Mon, Sept 5, 2022
  • Mon, Oct 10, 2022
  • Mon, Dec 26, 2022
  • Tues, Dec 27, 2022

Call us toll free at: 866-303-7999
Or email us at:

For Horizon Support please use our Help Center

Carson Dunlop

6 Liberty Square #3001
Boston, MA 02109

Learn more about us

    Please prove you are human by selecting the Heart.

    Not in the United States?

    Select a region:

    The United States Canada