Is there any way to use openrent without a UK number?

Tenant Discussion
1

I’m looking to relocate but don’t have a UK number yet

2

I suggest you get a UK number using Skype - for a small fee they provide one with calls to landlines and mobiles. They call the number that you provide made available from Skype - the number itself is free, I think, but to call them there is a reduced call fee.