Following are contact information for state and federal representatives:

Senator Elizabeth Warren (D)

In Washington,DC
Washington Office
Russell Senate Office Building
2 Russell Courtyard
Washington, DC 20510
Phone: (202) 224-4543
e-mail: http://www.warren.senate.gov/contact.cfm

In Massachusetts

Boston Office
2400 JFK Federal Building
15 New Sudbury Street
Boston, MA 02203
Phone: (617) 565-3170

Senator William M. Cowan (D)
In Washington D.C.
359 Dirksen Senate Office Building
Washington, DC 20510
Phone: 202-224-2742

United States Congress Representative
Tyngsborough is part of the  Massachusetts 5th District

Congresswoman Niki Tsongas (D)
In Washington, D.C.

1607 Longworth HOB
Washington, D.C. 20515
(202) 225-3411
e-mail: http://tsongas.house.gov/index.cfm?sectionid=11&sectiontree=3,11

In Massachusetts
11 Kearney Square, 3rd Floor
Lowell, MA 01852
(978) 459-0101

Governor Deval Patrick
Office of the Governor
Room 280
Boston, MA 02133
(617) 725-4005
e-mail: http://www.mass.gov/?pageID=gov3utilities&sid=Agov3&U=Agov3_contact_us

Lt. Governor Tim Murray
Office of the Lt. Governor
Room 280
Boston, MA 02133
(617) 725-4005
e-mail: http://www.mass.gov/?pageID=gov3utilities&sid=Agov3&U=Agov3_contact_us

State Senate
Tyngsborough is part of the First Middlesex District in the State Senate

State Legislature
Tyngsborough is part of the 36th District in the State Legislature

Middlesex District Attorney

D.A. Gerald T. Leone Jr.
Office of the Middlesex District Attorney
15 Commonwealth Avenue
Woburn, MA 01801
Main Phone: (781) 897-8300
Main Fax: (781) 897-8301
e-mail:webmaster.middlesex@state.ma.us

Lowell Region
Lowell Regional Office
151 Warren Street

Lowell, MA 01852
(781) 897-8900