how can i get the puk code for my phone iphone?

the puk code is 100% related to the sim card your carrier provided you with and 0% related to the phone you are using

so if you don't know your sim cards puk kode and needs it you need to contact the cellular company which provide you with ceullular services

How do I find my PUK code? - Apple Community

This is a user forum, you are not addressing apple here just fellow users

what you are doing is the same thing as asking questions to other customers in an apple store

contact your carrier they are the only ones you can assist you in all things puk code related

you can try contacting apple Support ->  Get Support (apple.com)

and or give them feedback -> Product Feedback - Apple

Contact your cellular carrier