Look, if you need a UK number not only for SMS but also for calls, there are options for that too. I recently took one of them to use for registration on several sites, and suddenly found out that you can also receive calls through it, and messages are forwarded to your regular number. If you need it, I can suggest a service where you can buy uk number for sms. It is very convenient when you work with foreign services or partners. I have a lot of such connections because I work with people from abroad and it is not always convenient to use roaming, so I use a UK number.