Rules of Engagement

  • If John McCallum is your MP, introduce yourself as a constituent—MPs tend to put much more stock in letters from inside their districts.
  • Be brief and respectful.
  • Try to ask a specific question.

Paper & Voice


John McCallum
House of Commons
Ottawa, ON
K1A 0A6

(No postage required!)

Phone: 1 613 996-3374
Fax: 1 613 992-3921

7750 Birchmount Road (Main Office)
Unit 21-22
Markham ON L3R 0B4
Phone: 1 905 479-8100


You can reach the office of John McCallum at