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How do I increase my National Bank Mastercard credit limit?

You can request a temporary or permanent credit limit increase on your credit card. 

For a permanent credit limit increase, sign in to your online bank: 

  1. Click Overview in the left menu 
  2. Select your credit card 
  3. Click Increase my limit 
  4. Follow the instructions 

For a temporary credit limit increase of up to 90 days, call us at 1-800-561-9733. 

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