Card number

yes it is available.

Pay with your card number in Wallet

Your Apple Card number in Wallet can be used to pay anywhere you manually enter a credit card number to pay, like on the web or within apps.

Watch the video to see where you can find your Apple Card number in Wallet >

To find your card number and information, follow these steps:

1. Open the Wallet app on your iPhone and tap Apple Card.
2. Then tap the more button .
3. Tap Card Information.
4. Authenticate with Face ID, Touch ID, or passcode.

You see your name, card number, expiration date, security code, and card network. To copy your card number so it can be pasted, press and hold Card Number, then tap Copy. 

Your card number is different than your Physical Card number and Device Account Number.

did you follow the steps in my previous response? Open wallet and post a screenshot here so I can see what you are seeing. edit out any personal info.

Apple Card - How-To Videos - Apple

Once you are approved for the card it should be on your phone.