Why do you need to know? If you had doubts about the nature of the call I hope you just hung up. All of these numbers are spoofed by scammers so knowing what it is or where it comes from is of no value. This one looks like it was from outside the UK. The basic rule is, if you don't trust it don't carry on with the call.
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Tudor There are 10 types of people: those who understand binary and those who don't and F people out of 10 who do not understand hexadecimal c1a2a285948293859940d9a49385a2