– Triangle Card Activation – Triangle MasterCard is a strong financial service designed for in the USA, Canada, and Mexico. It has a range of benefits, and it’s free to apply online.

Triangle MasterCard is a powerful credit card that provides great features to its users. Apply online or by phone — MasterCard considers all qualified applicants regardless of age, race, income level, or credit. offers great features at no cost to you.

Activate Your Triangle Card

Step 1: Enter your card information. To complete this step, you need your Triangle MasterCard account number and ZIP code.

Step 2: Select the enrollment option that best fits your needs. Options include paperless statements, daily alerts for low balance or high spending limits, and e-statements that you can access anytime, anywhere.

Step 3: Answer a few more questions. Make sure to read the enrollment materials and terms and conditions carefully before you submit your application.

Register Your Card

Step 1: Visit to activate your card online. You’ll need to enter your account number, ZIP code, date of birth, and last four digits of your Social Security number in order to verify your identity.

Step 2: Complete the rest of the application online. If you choose this option, be sure to submit your application by 11:59 p.m. Eastern Time on the expiration date of your Triangle Card.

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Step 3: If you don’t have access to a computer, call Triangle MasterCard at 1-866-918-5212 and speak with a customer service representative about adding an additional cardholder or changing the billing address.

Register for a Card by Phone

Call Triangle customer service at 1-866-918-5212 to register for your card over the phone or add an additional cardholder. If you’d prefer, call any time from 7 a.m. to 10 p.m., Monday through Saturday, and from 9 a.m. to 7 p.m., Sunday local time, or press 0 if you’re calling from outside of the United States.

Register for a Triangle Mastercard by Mail

Step 1: Complete and sign your application form and include each cardholder’s name and address as well as your Social Security number, date of birth, and the last four digits of your Social Security number.

Step 2: Write a check or money order for your application fee to Triangle MasterCard in the amount indicated on your form or call 1-866-918-5212 for more information about this process.

Step 3: Mail everything to Triangle MasterCard at the following address: Attn: Customer Registration P.O. Box 59412 Indianapolis, IN 46259-0412

Step 4: Someone from Triangle credit card services will contact you within 7 to 10 business days after receiving your application and ensure that everything is correct. If it isn’t, you’ll need to correct the error before the card can be issued.

Step 5: A temporary card will arrive within 10 business days after your application is approved. As soon as you receive it, you can start using your Triangle MasterCard or for purchases and cash advances. You may also set up an automatic payment method on file.

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Step 6: You’ll receive your permanent card within 10 to 12 business days after approves you for the credit line requested. If you pay off your balance in full every month, you don’t have to worry about paying an annual fee or interest on purchases. However, there are other costs associated with this transaction method.


Ques 1: What are the benefits of the credit card?

Ans 1: You can activate your Triangle MasterCard or Triangle credit card online through the company’s website by following a few simple steps. Y

Ques 2: How do I activate my credit card?

Ans 2: You can activate your new card by calling the customer service phone number on the back of your Triangle credit card or visiting

Once you activate, you will be ready to start using your card for purchases and cash advances. A temporary card will be mailed to you within 10 business days after your application is approved.

Ques 3: Can I activate my Triangle MasterCard or Triangle credit card over the phone?

Ans 3: Yes, you can activate your new card by calling Triangle MasterCard customer service at 1-866-918-5212, or you can just visit

Ques 4: How long does it take to activate my Triangle credit card?

Ans 4: Your new card will arrive in the mail within 10 business days, so you should receive it within that time frame. Once your card is activated, you can start using it for purchases or cash advances.

Ques 5: Can I activate my Triangle MasterCard online?

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Ans 5: Yes, you can activate your new card online by following a few simple steps. You will be ready to start using your card for purchases and cash advances once it is activated. You can also set up a payment method on file.

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