By "FPRSA positions" do you mean the two public IFPS desk numbers in Brussels? I do have those. A lot of people thought they were confidential but they are not.
No, I meant the UK ones. You can contact them through the Parent ATSU using the following:
London Heathrow
Tel +44-(0)20-8750 2615 / 2616
Fax +44-(0)20-8750 2617 / 2618
Manchester
Tel +44-(0)161-499 5502 / 5500
Fax +44-(0)161-499 5504
Scottish ACC
Tel+44-(0)1292-692679
Fax +44-(0)1292-671048