0000879585 2021-10-27 2021-10-27 iso4217:USD shares iso4217:USD shares 0000879585 false false false false false false 8-K 2021-10-27 ATN INTERNATIONAL, INC. DE 001-12593 47-0728886 500 Cummings Center Beverly MA 01915 978 619-1300 Common Stock, par value $.01 per share ATNI NASDAQ