Friends of the Longmont Senior Center Share: Community Associations/OrganizationsNonprofit Friends of the Longmont Senior Center Visit Website 910 Longs Peak Ave. P.O. Box 313 Longmont, CO 80501 303-651-8415 303-651-8413 (fax) www.friendslongmont.org About Map About Provide centralized and coordinated service, information, arts, cultural and education. What's Nearby? Distance: 5 10 15 20 25 50 mi.