MPN11
According to Wiki...
Main bases : RAF Coningsby, RAF Cottesmore, RAF Finningley, RAF Gaydon, RAF Honington, RAF Marham, RAF Scampton, RAF Waddington, RAF Wittering and RAF Wyton (the only one missing from your list).
Dispersal Bases : Prestwick, RAF Machrihanish, RAF Kinloss, RNAS Lossiemouth (later transferred to RAF), RAF Leuchars, RAF Ballykelly, RAE Bedford, A&AEE Boscombe Down, RAF Bruntingthorpe, RAF Burtonwood, RAF Cranwell, RAF Coltishall, RAF Elvington, Filton, RAF Leconfield, RAF Leeming, RAF Lyneham, RAF Manston, RAF Middleton St. George, RRE Pershore (Royal Radar Establishment), RAF St Mawgan, RAF Tarrant Rushton, RAF Wattisham, RAF Wyton, RNAS Yeovilton, RAF Shawbury, RNAS Brawdy (later transferred to RAF), RAF Llanbedr, RAF Valley
Too young for V Force (and to me ORPs were usually FOD hazards!!). How many of the dispersal bases would have been equipped with ORPs (or, for easier recognition which ones had a 03/21 (ish) runway?).