13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Gazlowe60The Barrens
Prospector Khazgorm26Explorers' LeagueThe Barrens
Captain Fairmount20The Barrens
Barak Kodobane16The Barrens
Verog the Dervish18The Barrens
Hezrul Bloodmark19The Barrens
Kolkar Bloodcharger14–15The Barrens
Gesharahan20The Barrens
Zamja35Cooking TrainerOrgrimmar
Xen'to30Cooking SupplierOrgrimmar
Shenthul60Rogue TrainerOrgrimmar
Zando'zan35Orgrimmar
Sian'tsu40Shaman TrainerOrgrimmar
Jandi35Herbalism TrainerOrgrimmar
Zeal'aya30Herbalism SupplierOrgrimmar
Xor'juul50Hunter TrainerOrgrimmar
Sian'dur40Hunter TrainerOrgrimmar
Zel'mak40Warrior TrainerOrgrimmar
Zendo'jian30Weapon VendorOrgrimmar
Jin'sora30Bow MerchantOrgrimmar
Denni'ka25ButcherStonetalon Mountains
Nogg35Expert EngineerOrgrimmar
Sovik30Engineering SuppliesOrgrimmar
General Twinbraid30The Barrens
Savannah Huntress11–12The Barrens
Savannah Matriarch17–18The Barrens
Living Flame16–17
Kirge Sternhorn22The Barrens
Apothecary Zamah22Royal Apothecary SocietyThunder Bluff
Feegly the Exiled19The Barrens
Thunderhawk Cloudscraper20–22The Barrens
Savannah Prowler14–15The Barrens
Zhevra Charger17–18The Barrens
Korran12The Barrens
Thork42The Barrens
Mangletooth17The Barrens
Grenthar10The Barrens
Mankrik15The Barrens
Tatternack Steelforge14The Barrens
Nak23The Barrens

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.