Regional Offices

Below is a list of our regional offices. For further contact information, please choose from the options on the right-hand menu (under Contact Us) which include our Board of Directors, Change of Address and Information, and dual dues information.

E-mail

For website queries, please email webmaster@ona.org.

General queries should be directed to onamail@ona.org. Please include your full name, Union ID number if available and the name of your employer.

Regional Offices

If your call/fax is local to the regional office, you should use the local dialing option where possible.

Toronto Office (see map here)
85 Grenville Street, Suite 400
Toronto ON, M5S 3A2
Phone: 416-964-8833
Toll-free phone: 1-800-387-5580
Fax: 416-964-8864 Toll-free fax: 1-866-964-8864

Kingston Office
4 Cataraqui Street, Suite 201 (linked to map)
Kingston, ON K7K 1Z7

Phone: 613-545-1110
Night Line: 613-545-1366
Fax: 613-531-9043
Toll-free fax: 1-866-931-9043

Hamilton Office
2 King Street West, Unit 2R (linked to map)
Dundas, ON L9H 6Z1

Phone: 905-628-0850
Fax: 905-628-2557
Toll-free fax: 1-866-928-3496

London Office
1069 Wellington Road South
Suite 109
London, ON  N6E 2H6

Phone: 519 438-2153
Fax: 519-433-2050
Toll-free fax: 1-866-933-2050

Orillia Office
210 Memorial Avenue, Unit 126A (linked to map)
Orillia, ON L3V 7V1

Phone: 705-327-0404
Fax: 705-327-0511
Toll-free fax: 1-866-927-0511

Ottawa Office
1400 Clyde Avenue, Suite 211 (linked to map)
Nepean, ON K2G 3J2

Phone: 613-226-3733
Fax: 613-723-0947
Toll-free fax: 1-866-523-0947

Sudbury Office
40 Larch Street, Suite 203
Sudbury, ON  P5E 5M7

Phone: 705-560-2610
Fax: 705-560-1411
Toll-free fax: 1-866-460-1411

Thunder Bay Office
Woodgate Office Centre (linked to map)
1139 Alloy Drive, Suite 200
Thunder Bay, ON P7B 6M8

Phone: 807-344-9115
Fax: 807-344-8850
Toll-free fax: 1-866-744-8850

Timmins Office
Canadian Mental Health Association Building (linked to map)
330 Second Avenue, Suite 203
Timmins, ON P4N 8A4

Phone: 705-264-2294
Fax: 705-268-4355
Toll-free fax: 1-866-568-4355

Windsor Office
3155 Howard Avenue, Suite 220 (linked to map)
Windsor, ON N8X 3Y9

Phone: 519-966-6350
Fax: 519-972-0814
Toll-free fax: 1-866-972-0814

Search Tips
Facebook Twitter Youtube Email Print RSS
Font Size A- A A+

Executive Members

Login ONA E-mail Access
Johnson Inc Health Care of Ontario Pension Plan CNSA-AEIC Canadian Federation of Nurses Union Canadian Labour Congress
Ontario Nurses Assoiciation