Zogo app - can’t sign up with a phone number

so i'm just creating here an account in zogo app and uh basically um i can't sign up with the phone number so what can be the issue so it says that doggo app currently only accepts us phone numbers your phone number must also be a real us phone number why ips are not accepted if you need help let us know at support zogofinance.com so that's basically the idea so yep something around that