13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Agnar Beastamer47The Hinterlands
Tink Sprocketwhistle24Engineering SuppliesGnomeregan
Ograbisi55
Shill Dinger56
Tobias Seecher52
Crest Killer54
Jaz53
Lar'korwi Mate49–50Un'Goro Crater
Lar'korwi56Un'Goro Crater
Ember Worg51–52Burning Steppes
Venomtip Scorpid52–53Burning Steppes
Bloodaxe Raider57–58Bloodaxe LegionBlackrock Spire
Bloodaxe Evoker58–59Bloodaxe LegionBlackrock Spire
Slavering Ember Worg53–54Burning Steppes
Deathlash Scorpid54Burning Steppes
Bloodaxe Worg56–57Scarshield LegionBlackrock Spire
Giant Ember Worg55–56Burning Steppes
Firetail Scorpid56–57Burning Steppes
Fire Beetle1Searing Gorge
Lava Crab1Burning Steppes
Spire Scorpid58Blackrock Spire
Yorba Screwspigot53Tanaris
Bloodaxe Warmonger57–58Bloodaxe LegionBlackrock Spire
Bloodaxe Summoner57–58Bloodaxe LegionBlackrock Spire
Ghok Bashguud59Bloodaxe ChampionBlackrock Spire
Quartermaster Zigris59Bloodaxe LegionBlackrock Spire
Flamekin Spitter52–53Burning Steppes
Flamekin Sprite51–52Burning Steppes
Flamekin Torcher54–56Burning Steppes
Flamekin Rager54–56Burning Steppes
Galgar8Durotar
Pyroguard Emberseer60Blackrock Spire
Blackhand Dreadweaver59–60Blackhand LegionBlackrock Spire
Blackhand Summoner59–60Blackhand LegionBlackrock Spire
Blackhand Veteran59–60Blackhand LegionBlackrock Spire
Mathredis Firestar60Burning Steppes
Auctioneer Grimful50Orgrimmar
Auctioneer Grizzlin50Winterspring
Auctioneer Kresky50Stranglethorn Vale
Auctioneer Lympkin50Ironforge

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.