Addressing Correspondence

I. National

To a Senator:
Dear Senator (last name)
The Honorable (full name)
United States Senate
Washington, DC 20510

To a Representative:
Dear Representative (last name)
The Honorable (full name)
United States House of Representatives
State Representative
Washington, DC 20515

II. State

State Senator:
Dear Senator (last name)
The Honorable (full name)
State Senator
State Capitol
P.O. Box 30036
Lansing, MI 48909-7536

State Representative:
Dear Representative (last name)
The Honorable (full name)
State Representative
State Capitol
P.O. Box 30014
Lansing, MI 48909-7514

When writing to the Chair of a Committee or the Speaker of the House, it is proper to address them as:

Dear Mr. Chairman or Madam Chairwoman: or Dear Mr. Speaker: