13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Lui'Mala30FishermanDesolace
Wulan30Cooking SuppliesDesolace
Koiter60The Barrens
Ursol'lok31Ashenvale
Loganaar51Druid TrainerMoonglade
Kulwia32Trade SuppliesStonetalon Mountains
Hae'Wilani44AxecrafterDesolace
Gor'marok the Ravager49Tanaris
Stormpike Mountaineer55Dun Morogh
Alliance Sentinel55Alterac Valley
Stormpike Defender58Alterac Valley
Frostwolf Legionnaire56–57Alterac Valley
Frostwolf Warrior55
Frostwolf Guardian58Alterac Valley
Baron Geddon63Molten Core
Garr63Molten Core
Lava Elemental61–62Molten Core
Stormpike Quartermaster55Alterac Valley
Frostwolf Quartermaster55Alterac Valley
Sulfuron Harbinger63Molten Core
Firesworn60Molten Core
Lava Reaver62–63Molten Core
Lava Surger61–62Molten Core
Lucifron63Molten Core
Flamewaker Protector62Molten Core
Draka60Alterac Valley
Duros60Alterac Valley
Reef Shark21–22Silverpine Forest
Great Shark52Tanaris
Mammoth Shark54Azshara
Lord Tirion Fordring63Order of the Silver HandWestern Plaguelands
Stormpike Guardsman57Alterac Valley
Crimson Elite60Western Plaguelands
Onyxian Warder60–63Onyxia's Lair
Snurk Bucksquick45Zeppelin MasterDurotar
Squibby Overspeck45Zeppelin MasterStranglethorn Vale
Lunaclaw12
Guardian of Elune60
Riding Kodo (Purple)12Winterspring
Winterax Axe Thrower60

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.