13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Farmer Getz24Hillsbrad Foothills
Blacksmith Verringtan26Hillsbrad Foothills
Tarren Mill Deathguard50Hillsbrad Foothills
Mountain Lion32–33Alterac Mountains
Hulking Mountain Lion33–34Alterac Mountains
Snapjaw30–31Alterac Mountains
Felicia Maline55Gryphon MasterDuskwood
Magus Wordeen Voidglare42Hillsbrad Foothills
Ricter33Alterac Mountains
Alina33Alterac Mountains
Dermot33–34Alterac Mountains
Kegan Darkmar33–35Alterac Mountains
Warden Belamoore33–36Alterac Mountains
Crushridge Plunderer36–37Alterac Mountains
Grel'borg the Miser39Alterac Mountains
Deathguard Samsa32Hillsbrad Foothills
Deathguard Humbert32Hillsbrad Foothills
Targ41Alterac Mountains
Muckrake40Alterac Mountains
Glommus39Alterac Mountains
Lord Aliden Perenolde41Alterac Mountains
Varimathras62Undercity
Jailor Eston24Hillsbrad Foothills
Jailor Marlgen24Hillsbrad Foothills
Novice Thaivand30Hillsbrad Foothills
Chef Jessen35Hillsbrad Foothills
Jailor Borhuin37Alterac Mountains
Darla Harris55Gryphon MasterHillsbrad Foothills
Helcular's Remains44Hillsbrad Foothills
Shadowy Assassin37–38Hillsbrad Foothills
Farmer Kent25Hillsbrad Foothills
Keeper Bel'varil34Hillsbrad Foothills
Bartolo Ginsetti32Hillsbrad Foothills
Major Samuelson50Stormwind City GuardStormwind City
Drunken Footpad32–33Alterac Mountains
Cow1Elwynn Forest
Narillasanz44Alterac Mountains
Clerk Horrace Whitesteed26Hillsbrad Foothills
Citizen Wilkes25Hillsbrad Foothills
Miner Hackett29Hillsbrad Foothills

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.