Hmmm. He did get a new phone a bit back
I got a similarly random one off him when he changed his number.
The last 2 digits of his current one are 99
( mns 2️⃣2️⃣9️⃣0️⃣7️⃣, Sat 23 May 2009, 22:30, archived)

that'll be him then
mystery solved!
( TopUpTheTea you ain't seen me, right?, Sat 23 May 2009, 22:34, archived)