13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Nijel's Point Guard48Desolace
Harnor40Food & DrinkDesolace
Narv Hidecrafter42Expert LeathercrafterDesolace
Ghost Walker Brave48Desolace
Kargath Grunt55Badlands
Logannas52Alchemy SuppliesFeralas
Bronk49Alchemy SuppliesFeralas
Worb Strongstitch50Light Armor MerchantFeralas
Nioma50Leatherworking SuppliesThe Hinterlands
Harggan49Blacksmithing SuppliesThe Hinterlands
Gharash45Blacksmithing SuppliesSwamp of Sorrows
Rartar45Alchemy SuppliesSwamp of Sorrows
Nina Lightbrew49Alchemy SuppliesBlasted Lands
Greater Healing Ward45Zul'Farrak
Occulus50Tanaris
Chronalis61Tanaris
Tick52Tanaris
Warleader Krazzilak45Tanaris
Jin'Zallah the Sandbringer46Tanaris
Omgorn the Lost50Tanaris
Cyclok the Mad48Tanaris
Kregg Keelhaul47Tanaris
Soriid the Devourer50Tanaris
Haarka the Ravenous50Tanaris
Greater Firebird46Tanaris
Murderous Blisterpaw43Tanaris
Razortalon44The Hinterlands
Old Cliff Jumper42The Hinterlands
The Reak49The Hinterlands
Ironback51The Hinterlands
Jalinde Summerdrake49The Hinterlands
Grimungous50The Hinterlands
Retherokk the Berserker48The Hinterlands
Mith'rethis the Enchanter52The Hinterlands
Witherheart the Stalker45The Hinterlands
Zul'arek Hatefowler43The Hinterlands
Muck Frenzy14–15The Barrens
Curator Thorius45Ironforge
Oozeling40The Temple of Atal'Hakkar
Soaring Razorbeak41The Hinterlands

Classic reference data from QuestieDB (Forever data, commit c5de61a), with positions on Forever's zone maps. It doesn't confirm that an NPC, location, quest or item is in Forever.