Regional Offices
Below is a list of all our regional offices. For more contact information, please choose from the options on the left hand menu (under Contact Us) which include our Board of Directors, Change of Address and Information, Dual Dues, and Technical Questions.
Regional Offices
Please note that if your call/fax is local to the regional office, you should use the local dialing option where possible.
Toronto Head Office
85 Grenville Street, Suite 400,
Toronto ON,
M5S 3A2
Phone: (416) 964-8833,
Toll-free phone: (800) 387-5580
Fax: (416) 964-8864
Toll-free fax: (866) 964-8864
onamail@ona.org
Kingston Office
4 Cataraqui Street, Suite 306,
Kingston ON
K7K 1Z7
Phone: (613) 545-1110
Night Line: (613) 545-1366
Fax: (613) 531-9043
Toll-free fax: (866) 931-9043
Hamilton Office
2 King Street West, Unit 2R,
Dundas ON
L9H 6Z1
Phone: (905) 628-0850
Fax: (905) 628-2557
Toll-free fax: (866) 928-3496
London Office
750 Baseline Road East, Suite 204,
London ON
N6C 2R5
Phone: (519) 438-2153
Fax: (519) 433-2050
Toll-free fax: (866) 933-2050
Orillia Office
210 Memorial Avenue, Unit 126A,
Orillia ON
L3V 7V1
Phone: (705) 327-0404
Fax: (705) 327-0511
Toll-free fax: (866) 927-0511
Ottawa Office
1400 Clyde Avenue, Suite 211,
Nepean ON
K2G 3J2
Phone: (613) 226-3733
Fax: (613) 723-0947
Toll-free fax: (866) 523-0947
Sudbury Office
764 Notre Dame Avenue, Unit 3,
Sudbury ON
P3A 2T4
Phone: (705) 560-2610
Fax: (705) 560-1411
Toll-free fax: (866) 460-1411
Thunder Bay Office
Woodgate Office Centre,
1139 Alloy Drive, Suite 214
Thunder Bay ON
P7B 6M8
Phone: (807) 344-9115
Fax: (807) 344-8850
Toll-free fax: (866) 744-8850
Timmins Office
Canadian Mental Health Association Building
330 Second Avenue, Suite 203,
Timmins ON
P4N 8A4
Phone: (705) 264-2294
Fax: (705) 268-4355
Toll-free fax: (866) 568-4355
Windsor Office
3155 Howard Avenue, Suite 220,
Windsor ON
N8X 3Y9
Phone: (519) 966-6350
Fax: (519) 972-0814
Toll-free fax: (866) 972-0814