how to access verification code from instagram for samsung galaxy 2 tablet

[AC Question]

everytime i go into my instagram account i get a popup for a verification code. i am asked to enter phone number and instagram account will text a code. it will not send a code waited days and no response. i also have unistalled and re-installed app, and still unable to add anything to my account. My followers arer able to comment and post likes, but i can't. I also, have shut down tablet and restarted and no change....can you help????