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Labour Relations and Workplace Issues

If you have a labour relations issue, have recently started a new job but have not signed up through your union representative, or have questions/concerns about your contract or working conditions, please contact your Bargaining Unit President.

Membership Inquiries and Updates

If you have any questions or updates regarding your ONA membership, including about a replacement member card or updating your contact information, please contact Dues and Membership Services by phone at 1-800-387-5580 ext. 2200 (toll free) or email Please include your full name, Union ID number if available and the name of your employer.

Existing members can also ensure we have the correct information for all aspects of your membership record by completing our online Member Information Form.

New members/new job in an ONA facility: You must sign-up through your Bargaining Unit President.

Access ONA – Online Member Portal

If you are having trouble logging in: Contact our IT HelpDesk at or 1-800-387-5580, ext. 2328.

If your account is locked: Contact Dues & Membership Services at or 1-800-387-5580, ext. 2200.

General Email Inquiries

General queries should be directed to If you are an ONA member, please include your full name, Union ID number if available and the name of your employer.

Contact the Board of Directors

To contact a Board member during regular business hours, call (416) 964-8833 (Toronto) or toll-free 1-800-387-5580, hit “0” and ask to be put through to the appropriate voicemail box (in brackets below) for the Board member you are trying to reach.

Erin Ariss, President, Communications and Government Relations/Student Liaison (#7755)

Angela Preocanin, First Vice-President, Political Action and Professional Issues (#7707)

Dawn Armstrong, Vice-President Region 1, Education (#7706)

Bernadette Robinson, Vice-President Region 2, Finance (#7756)

Karen McKay-Eden, Vice-President Region 3, Human Rights and Equity (#7710)

Grace Pierias, Vice-President Region 4, Occupational Health and Safety (#7709)

Alan Warrington, Vice-President Region 5, Labour Relations (#7708)

To leave a message for a Board member after hours, call (416) 964-8833 (Toronto) or toll-free 1-800-387-5580 (if using the toll-free number, hit “0” immediately after dialing the number to be connected to the Toronto office), then dial their voicemail box.

The Board also has an intake box for emergencies, monitored twice daily. To reach it, call the above numbers and dial voicemail box #7775.

Please review our Workshop and Events Calendar for scheduled office closures.

ONA Offices

Provincial Office

85 Grenville Street
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

Regional Offices

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

Kingston Office
4 Cataraqui Street, Suite 201
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
55 Head Street, Suite 306
Dundas, ON L9H 3H8
Phone: 905-628-0850
Fax: 905-628-2557
Toll-free fax: 1-866-928-3496

London Office
21 King St
London, ON  N6A 5H3
Phone: 519 438-2153
Fax: 519-433-2050
Toll-free fax: 1-866-933-2050

Orillia Office
210 Memorial Avenue, Unit 126A
Orillia, ON L3V 7V1
Phone: 705-327-0404
Fax: 705-327-0511
Toll-free fax: 1-866-927-0511

Ottawa Office
1400 Clyde Avenue, Suite 211
Nepean, ON K2G 3J2
Phone: 613-226-3733
Fax: 613-723-0947
Toll-free fax: 1-866-523-0947

Port Hope Office
45 Henderson Street, Unit 2,
Port Hope, Ont. L1A 0C6
Phone: 905-885-7895
Toll-Free Number: 833-812-1670
Fax Number: 905-885-7223
Toll-Free Fax Number: 833-812-1671

Sudbury Office
128 Pine Street, Suite 201
Sudbury, ON  P3C 1X3
Phone: 705-560-2610
Fax: 705-560-1411
Toll-free fax: 1-866-460-1411

Thunder Bay Office
Woodgate Office Centre
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
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
Windsor, ON N8X 3Y9
Phone: 519-966-6350
Fax: 519-972-0814
Toll-free fax: 1-866-972-0814

Access to the Provincial Office (85 Grenville St., Toronto)

Please Note: Beginning Thursday, July 6, the front entrance will be closed for construction. If you are visiting the office, please coordinate with the staff member you are visiting to gain access to the building. If you require use of the accessibility ramp, please contact Administrative Services for assistance, in advance of your visit. 

Scheduled Website Maintenance – Friday, March 1, 2024

The ONA website will be down for scheduled maintenance beginning at 5 p.m. on Friday, March 1. ONA members and leaders will still be able to connect to Access ONA, including the ONA Workshop and Events Calendar during this outage. Users can log in to Access ONA using the direct links below:

Members –

Leaders –

Thank you for your patience as we take care of this vital maintenance work!

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