13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Hekkru30Stable MasterSwamp of Sorrows
Seikwa30Stable MasterMulgore
Seriadne30Stable MasterTeldrassil
Maluressian30Stable MasterAshenvale
Anya Maulray30Stable MasterUndercity
Bulrug30Stable MasterThunder Bluff
Morganus30Stable MasterTirisfal Glades
Alassin30Stable MasterDarnassus
Theodore Mont Claire30Stable MasterHillsbrad Foothills
Greth30Stable MasterBadlands
Antarius30Stable MasterFeralas
Grimestack46Stable MasterStranglethorn Vale
Killium Bouldertoe30Stable MasterThe Hinterlands
Steven Black30Stable MasterDuskwood
Reggifuz35Stable MasterThe Barrens
High Priestess of Thaurissan58
Deathmaw53Burning Steppes
Terrorspark55Burning Steppes
Brave Moonhorn30Thousand Needles
Sandarr Dunereaver45Zul'Farrak
Dustwraith45Zul'Farrak
Zerillis45Zul'Farrak
Rage Talon Flamescale58–59Blackrock Spire
Jaelysia30Stable MasterDarkshore
Hesuwa Thunderhorn40Pet TrainerThunder Bluff
Xao'tsu40Pet TrainerOrgrimmar
Silvaria40Pet TrainerDarnassus
Belia Thundergranite40Pet TrainerIronforge
Slave1
Tortured Slave1
Nessa Shadowsong25Fishing SuppliesTeldrassil
Volchan60Burning Steppes
Vault Warder45Uldaman
Chemist Fuely30Undercity
Moonkin Oracle13–14Darkshore
Moonkin12–13Darkshore
Young Moonkin11–12Darkshore
Raging Moonkin12–14Darkshore
Lord Victor Nefarius63Lord of BlackrockBlackwing Lair
Kaltunk20Durotar

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.