Senior The Senior LinkAge Line is a free service, LinkAge Line offered by 1-800-333-2433 MINNESOTA'S LINK TO A LOCAL EXPERT the State of Minnesota, for older adults and their families to find community services or plan for their future. Senior The Senior LinkAge Line is a free service , LinkAge Line offered by 1-800-333-2433 MINNESOTA'S LINK TO A LOCAL EXPERT the State of Minnesota , for older adults and their families to find community services or plan for their future .