Citibank cardholders can activate a new credit card online or by using Citi’s mobile app. Open the app and go to the Services tab at the bottom of the app and choose Card Services.

To activate a U.S. Bank credit card, log into your online banking account and provide the personal details requested. If you don't have an account yet, you'll need to create one to verify your card.

Getting approved for a new credit card is a great feeling, especially when there are lucrative rewards on the line. -- Receive your credit card in the mail. -- Find a sticker on the card with ...

If you don't activate your credit card, you won't be able to use it to make purchases. You could end up at the grocery store with unexpected complications at checkout. ...

6. Start using your card for the first time. After the completion of the activation process, you can now begin to use your credit card carefully.

A lot can happen in the seven-to-10 business days it typically takes a new credit card to arrive in the mail. But if you're having second thoughts about your chosen plastic, you'd be remiss to ...

To activate your credit card online, you need to first generate your pin. To do so, you can log in to your account through net banking. Fill in your customer ID and password to log into your account.

This may sound obvious, but if you don't activate your new credit card, you can't use it. And if you can't use it, you can't cash in on any introductory bonus offers tied to spending.