Michael R N Dolbear ) gurgled happily, sounding much like
they were saying :

I'm in Zone B.

Single is £4.60
ODTC is £12.40
7DTC is £45.80

There used to be a thing called an "LT card" that was effectively an
ODTC [...]

The LT card and the ODTC and 7D prices you mention cover peak (before
09:30) travel.

Which is when I tend to go in.

An after-9.30 ODTC is £6.40

Down my way "past zone 6" means NR

Yes, but we were talking about tube ticket prices. There's four zones
outside Zone 6.