National Underwriting Centre

National Underwriting Centre

Toll Free:  1.877.244.8422
Toll Free Fax:  1.877.244.8448

Hours of Operation

Monday to Friday:  8:00 AM – 10:00 PM (ET)
Saturday:  10:00 AM – 6:00 PM (ET)
Sunday: Closed


Holiday Hours

Unless otherwise noted, regular business hours remain in effect.
The National Underwriting Centre will be closed on the following dates:

  • Christmas Day: Monday, December 25, 2023
  • Boxing Day: Tuesday, December 26, 2023
  • New Year’s Day: Monday, January 1, 2024


Log in to submit an online application through Canada Guaranty’s Vantage underwriting system.