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WSIB Offices

You can call us for information or come see us in person!

Phone: 416-344-1000
Phone: 1-800-387-0750

Our telephone hours of operation

WSIB representatives are available on the phone from 7:30 a.m. to 5:00 p.m., Mondays to Fridays.

Office hours

Our offices are open 8:30 a.m. to 4:30 p.m., Mondays to Fridays.

Calling us after-hours

If you want to leave a message for WSIB staff after our regular office hours:

  • dial the ten digit phone number directly and leave a message on voicemail
  • call our 1-800 number for any WSIB office and follow the prompts and then enter the 10 digit number of the person you wish to reach and leave a message.

Mailing address

Please forward any items by mail to:

200 Front Street West
Toronto, Ontario M5V 3J1

Office locations

  • Guelph
  • Hamilton
  • Kingston
  • Kitchener
  • London
  • North Bay
  • Ottawa
  • Sault Ste. Marie
  • St. Catharines
  • Sudbury
  • Thunder Bay
  • Timmins
  • Toronto
  • Windsor
Office Location Street Address
Toronto 200 Front Street West
Toronto, ON
M5V 3J1
Guelph 100 Stone Road West
2nd floor
Guelph, ON
N1G 5L3
Hamilton 120 King Street West
Hamilton, ON
L8N 4C5
Kingston 234 Concession Street
Suite 304
Kingston, ON
K7K 6W6
Kitchener 55 King Street West
3rd Floor
Kitchener, ON
N2G 4W1
London 148 Fullarton Street
7th Floor
London, ON
N6A 5P3
North Bay 128 McIntyre Street West
North Bay, ON
P1B 2Y6
Ottawa 180 Kent Street
Tower 4, Suite 400
Ottawa, ON K1P 0B6
Sault Ste. Marie 153 Great Northern Road
Sault Ste. Marie, ON
P6B 4Y9
St. Catharines 301 St. Paul Street East
8th Floor
St. Catharines, ON
L2R 7R4
Sudbury 30 Cedar Street
Sudbury, ON
P3E 1A4
Thunder Bay 1113 Jade Court
Suite 200
Thunder Bay, ON
P7B 6V3
Timmins 5520 Highway 101 East,
Ontario Government Complex
P0 Bag 4020
South Porcupine ON
P0N 1H0
Windsor 2485 Ouellette Avenue
Windsor, ON
N8X 1L5
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