I don't have the number that I used to sign up my icloud I need to login but they keep wanting to send code to that number

Get support from Apple directly -> Get Support or call Apple in your region see -> Contact Apple for support and service or check -> here for more support and assistance.

Visit your nearest Apple Store

If you have a new phone number:

Sign in to your Apple ID account page and edit / update your Apple ID details -> https://appleid.apple.com

• (Sidebar) Click Personal Information -> Reachable at -> then edit / update your 'new' trusted phone number.