13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Felhunter60
Murloc Flesheater18–19Redridge Mountains
Redridge Mongrel15–16Redridge Mountains
Redridge Poacher16–17Redridge Mountains
Redridge Brute17–18Redridge Mountains
Dire Condor18–19Redridge Mountains
Shadowhide Darkweaver25–26Redridge Mountains
Redridge Mystic18–19Redridge Mountains
Shadowhide Slayer25–26Redridge Mountains
Shadowhide Brute23–24Redridge Mountains
Shadowhide Gnoll22–23Redridge Mountains
Rabid Shadowhide Gnoll21–22Redridge Mountains
Blackrock Champion24–25Redridge Mountains
Blackrock Shadowcaster22–23Redridge Mountains
Blackrock Renegade21–22Redridge Mountains
Blackrock Grunt19–20Redridge Mountains
Black Dragon Whelp17–18Redridge Mountains
Tarantula15–16Redridge Mountains
Redridge Alpha21–22Redridge Mountains
Redridge Basher19–20Redridge Mountains
Hogger11Elwynn Forest
Defias Knuckleduster15–17Westfall
Defias Renegade Mage18–19Westfall
Riverpaw Bandit16–17Westfall
Riverpaw Mystic18–19Westfall
Young Goretusk12–13Westfall
Murloc Minor Oracle12–14Westfall
Murloc Hunter16–17Westfall
Drusilla La Salle5Warlock TrainerElwynn Forest
Alamar Grimm5Warlock TrainerDun Morogh
Demisette Cloyce60Warlock TrainerStormwind City
Vultros26Westfall
Guard Parker30Redridge Mountains
Barkeep Dobbins10BartenderElwynn Forest
General Marcus Jonathan60High Commander of Stormwind DefenseStormwind City
The Defias Traitor15Westfall
Town Crier35Duskwood
Lieutenant Doren60Stranglethorn Vale
Mother Fang7–10Elwynn Forest
Fedfennel12Elwynn Forest

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.