Contact us

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

Hours of Operation:
Monday – Friday: 8am – 9pm (ET)
Saturday and Sunday: 8am – 4pm (ET)

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:

  • September 6, 2021 – Labour Day
  • October 11, 2021 – Thanksgiving
  • December 27, 2021 – Christmas Day
  • December 28, 2021 – Boxing Day

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

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