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Laboratory Locations and Contact Information

Customer Service Centre

The Public Health Ontario Laboratories customer service centre provides a single, easy-to-access point of contact for clients across the province. The customer service centre responds to queries about test results, clarifies specimen collection procedures and provides access to medical and scientific experts for advice on test requests and results interpretation.

The customer service centre is located at the Toronto PHOL and supplements existing regional communication and contacts. Clients are encouraged to continue to work with staff at their local PHOL, who are the primary point of contact for outbreak notification, outreach and education.

Customer Service Centre Hours of Operation:

Monday to Friday, 7:30 a.m. to 7:00 p.m.

Saturday, 8:00 a.m. to 3:45 p.m.

Contact Information:
Toronto: 416-235-6556
Toll Free: 1-877-604-4567
Fax: 416-235-6552
After-hours emergencies: PHOL duty officer, 416-605-3113
Please call the Customer Service Centre at 416-235-6556 (Toronto) or toll free 1-877-604-4567 for the following services:
  • to update your address, telephone or fax,
  • to apply for autofaxing.

PHOL locations and contact information 

Stakeholder Hours - Monday to Friday, 8:00 a.m. - 5:00 p.m. and Saturdays 8:00 a.m. to 3:45 p.m.
After-hours Emergencies - Contact the after-hours PHOL Duty Officer at 416-605-3113 or your local PHOL. 
STAT and critical samples that need testing will be received and tested in consultation with our medical staff. Please see the STAT and Critical Samples Testing Policy for more information.  


Mailing address: P.O. Box 2100, Hamilton, ON L8N 3R5

Location: 250 Fennell Avenue West, Hamilton, ON L8N 3R5


Tel: 905-385-5379

Toll free: 1-866-282-7376

Fax: 905-385-0083

 250 Fennell Avenue West, Hamilton 



Mailing address: P.O. Box 240, Kingston, ON K7L 4V8

Location: 181 Barrie Street, Kingston, ON K7L 3K2


Tel: 613-548-6630

Toll free: 1-855-546-4745

Fax: 613-547-1185

181 Barrie Street, Kingston



Mailing address and location: 5th Floor, 850 Highbury Avenue, London, ON N5Y 1A4


Tel: 519-455-9310

Toll free: 1-877-204-2666

Fax: 519-455-3363

London PHOL.png



Mailing address: P.O. Box 600, Orillia, ON L3V 6K5

Location: 750 Memorial Avenue, Orillia, ON L3V 6K5


Tel: 705-325-7449

Toll free: 1-877-611-6998

Fax: 705-329-6001


750 Memorial Avenue, Orillia 





Mailing address and location: 2380 St. Laurent Boulevard, Ottawa, ON K1G 6C4


Tel: 613-736-6800

Fax: 613-736-6820

2380 St. Laurent Boulevard, Ottawa



Mailing address: P.O. Box 265, Peterborough, ON K9J 6Y8

Location: 99 Hospital Drive, Peterborough, ON K9J 6Y8


Tel: 705-743-6811

Fax: 705-745-1257

 99 Hospital Drive, Peterborough


Sault Ste. Marie

Mailing address and location: 160 McDougald St, Sault Ste. Marie, ON P6A 3A8


Tel: 705-254-7132

Toll free: 1-800-263-0409

Fax: 705-945-6873

160 McDougald St, Sault Ste. Marie 


Mailing address and location: 1300 Paris Street, Suite 2, Sudbury, ON P3E 6H3


Tel: 705-564-6917

Toll free: 1-888-564-6917

Fax: 705-564-6918

1300 Paris Street, Suite 2, Sudbury


Thunder Bay

Mailing address and location: 336 South Syndicate Avenue, Thunder Bay, ON P7E 1E3


Tel: 807-622-6449

Fax: 807-622-5423

336 South Syndicate Avenue, Thunder Bay



Mailing address and location: 67 Wilson Avenue, Timmins, ON P4N 2S5


Tel: 705-267-6633

Toll free: 1-888-267-7181

Fax: 705-360-2006

 67 Wilson Avenue, Timmins



Mailing address and location:
661 University Avenue, Suite 1701, Toronto, ON M5G 1M1

Delivery Instructions to 661 University Ave.​

Tel: 416-235-6556

Toll free: 1-877-604-4567

Fax: 416-235-6552

81 Resources Road, Etobicoke

Page last reviewed:
Page last updated: 2019-01-02 10:09 AM
Uncontrolled print copy. Valid only on day of Print: [date]
Page updated on [date/time] 2019-01-02 10:09 AM
© , Ontario Agency for Health Protection and Promotion