WoW Instances by Level in TBC Classic

Flying in Tempest Keep with The Arcatraz behind
Flying in Tempest Keep with The Arcatraz behind / Activision Blizzard

WoW Instances by level in TBC Classic, a breakdown of each dungeon and their according level range.

Some dungeons in TBC Classic require previous quest chains to be completed in order to enter them. Other dungeons are essential in completing your Karazhan attunement.

The bolded portion is the location of the dungeon, followed by the name of the dungeon itself.

WoW Instances by Level in TBC Classic

Hellfire Citadel Dungeons

Hellfire Citadel: Hellfire Ramparts: 60-62
Hellfire Citadel: The Blood Furnace: 61-63
Hellfire Citadel: The Shattered Halls: 69-70

Zangarmarsh Dungeons

Coilfang Reservoir: The Slave Pens: 62-64
Coilfang Reservoir: The Underbog: 63-65
Coilfang Reservoir: The Steamvault: 68-70

Terokkar Forest Dungeons

Auchindoun: Mana-Tombs: 64-66
Auchindoun: Auchenai Crypts: 65-67
Auchindoun: Sethekk Halls: 67-69
Auchindoun: Shadow Labyrinth: 69-70

Tempest Keep Dungeons

Tempest Keep: The Botanica: 70
Tempest Keep: The Mechanar: 70
Tempest Keep: The Arcatraz: 70

Azeroth Dungeons

Caverns of Time: Old Hillsbrad Foothills: 66-68
Caverns of Time: The Black Morass: 70

Additionally, Magisters' Terrace is another level 70 dungeon, but not available until the final Phase of TBC Classic, Phase 5 when Isle of Quel'danas is released.