Nonprofit Center of the Berkshires Community Services/Non-Profits Visit Website Request Info PO Box 388 Great Barrington, MA 01230 (413) 441-9542 About Map About The Nonprofit Center of the Berkshires (NPC) is a nonprofit, member-based organization providing information, products and services to nonprofits and civic groups in the Berkshire region. What's Nearby? Distance: 5 10 15 20 25 50 mi.