The telephone number +44 7500 185807 is linked to a census 2021 text scam targeting UK residents. If you get a text message from the number 07500185807 then do not click on any links and do not return the call. 

The message contained in this scam text is as follows:

Census: there is missing/invalid information associated with your census account. To avoid a £200 pound fine, retake the survey here: https://census2021gov(.)co.uk

This website is not a UK government website, in fact it was only registered on the 1st of April 2021. Yes, April Fools Day. If you receive any communication from the number +44 7500 185807 then do not click on this link. Protect yourself by deleting and blocking this number.