By Mail
Longfellow House-Washington's Headquarters National Historic Site
105 Brattle Street
Cambridge, MA 02138
By E-Mail
Visitor Information
Collection Research Inquiries
By Phone
Visitor Information: (617) 876-4491
Superintendent: (617) 566-1689 x201
Site Manager: (617) 876-4491 x12
By Fax
(617) 497-8718