Scam Number: +4403333390457 (Carrier: IP Voice Networks Ltd)
Was sent via SMS.
“BARCLAYS: Code 501760 to complete 167.19GBP to ASDA. If you didn’t authorise this, call us on 03333390457.”
SMS was sent from +447851071491 (Carrier: O2).
I don’t call up scammers anymore, but I’m going to give a strong guess that this number redirects the victim to some call centre in India like usual as the carrier of the number makes it obvious that it’s a VOIP number.