13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Maquell Ebonwood5Tirisfal Glades
Gol'dir25Alterac Mountains
Elysa25Alterac Mountains
Argus Shadow Mage35–36Alterac Mountains
Syndicate Wizard34–35Alterac Mountains
Nagaz40Alterac Mountains
Foreststrider Fledgling11–13Darkshore
Foreststrider14–16Darkshore
Giant Foreststrider17–19Darkshore
Blackwood Windtalker13–14Darkshore
Thamner Pol8PhysicianDun Morogh
Shaina Fuller35First Aid TrainerStormwind City
Michelle Belle11PhysicianElwynn Forest
Karlee Chaddis25Stormwind City
Paige Chaddis1Stormwind City
Valdred Moray21Silverpine Forest
Henchman Valik30Alterac Mountains
Event Generator 0015Stormwind City
Magistrate Burnside30Hillsbrad Foothills
Dark Strand Fanatic16–17Darkshore
Dark Strand Voidcaller28–29Darkshore
Twilight Disciple16–17Darkshore
Twilight Thug17–18Darkshore
Dun Garok Mountaineer28–29Hillsbrad Foothills
Dun Garok Rifleman29–30Hillsbrad Foothills
Dun Garok Priest29–30Hillsbrad Foothills
Wild Gryphon40Hillsbrad Foothills
Elder Moss Creeper26–27Hillsbrad Foothills
Giant Moss Creeper24–25Hillsbrad Foothills
Forest Moss Creeper20–21Hillsbrad Foothills
Gray Bear21–22Hillsbrad Foothills
Innkeeper Anderson30InnkeeperHillsbrad Foothills
Vicious Gray Bear22–23Hillsbrad Foothills
Elder Gray Bear25–26Hillsbrad Foothills
Merideth Carlson32Horse BreederHillsbrad Foothills
Dalaran Summoner32–35Alterac Mountains
Elemental Slave32–34Alterac Mountains
Hillsbrad Farmhand22–23Hillsbrad Foothills
Tamara Armstrong15Hillsbrad Foothills
Hemmit Armstrong15Hillsbrad 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.