Listservs I’m on

The fl list servs (why no ’e’ in ’listserv’?) I’m on have the ff numbers:
flteach 5K
moretprs 5K
Latinteach 1K
Bestpractices 600
Cambridge ?
Faroese Lang ?
Other listservs I’m on are The Slavery List, Paleo Food List, and I don’t know their numbers.