The IRS does accept mail in Forms 8822. I am very surprised the IRS did not give you the fax number if there was one available. All the IRS websites for sending in forms by fax is a dead end for Form 8822 <a rel="nofollow" target="_blank" href="
https://www.irs.gov/businesses/small-businesses-self-employed/where-to-send-non-return-forms-applica...>. I am not able to locate a fax number at this time for you.
