How do i call this number back 447810237945?

Question

it called me last night and i dont know to call back

Answer 1

This looks like a UK number.  From the US, dial 011 and then the number shown.

Answer 2

replace 44 with 0 if you're in the uk. you probably shouldn't put other people's mobiles numbers on the internet

Answer 3

This call was from UK. If you want to call back, dial 011 44 7810237945.

Answer 4

i would dial 1-..............and the number