Maurice Picarda
Actually, might as well flounce.
I just bought a reconditioned 706-series GPO phone, and was asked what I wanted on the label. It turns out that my exchange, pre-1968, was called Enterprise. This is not as good as Gibbon for Putney or Floral for Mortlake, but it's not bad.
Here's the list of exchanges.
Here's the list of exchanges.