How to get back my l recovery code

There's verification code Get a verification code and sign in with two-factor authentication - Apple Support

There's a recovery key How to generate a recovery key - Apple Support

I am not familiar with a recovery code.

A different take on this would be the water factor:

Go to this page to find your nearest Apple Authorized Service Provider (AASP) or Apple Authorized Distributor (AAD) --> Find Locations

How to make a Genius Bar appointment

1. Go to Genius Bar Reservation and Apple Support Options - Apple

2. Go to "Get hardware help".

3. Select your hardware and continue selecting options requiring replacing parts until you see "Bring in for Repair"

4. Sign in with your Apple ID