Index of zones by level for World of Warcraft.
A – Alliance territory, H – Horde Territory, CT – Contested Territory, CZ – Combat Zone
1-5 A Cata – Gilneas City (Worgen only)
1-5 H Cata – Kezan (Goblin only)
1-10 A BC – Azuremyst Isle
1-10 A – Dun Morogh
1-10 H – Durotar
1-10 A – Elwynn Forest
1-10 H BC – Eversong Woods
1-10 H – Mulgore
1-10 A – Teldrassil
1-10 H – Tirisfal Glades
1-10 CT MIsta – Wandering Isle (Pandaren only)
5-12 A CATA – Gilneas (Worgen only)
5-12 H CATA – Lost Isles (Goblin only)
10-15 A – Westfall
10-20 H – Azshara
10-20 A BC – Bloodmyst Isle
10-20 A – Darkshore
10-20 H BC – Ghostlands
10-20 A – Loch Modan
10-20 H – Northern Barrens
10-20 H – Silverpine Forest
14-16 CT – Ruins of Gilneas
15-20 CT – Redridge Mountains
20-25 CT – Ashenvale
20-25 CT – Duskwood
20-25 CT – Hillsbrad Foothills
20-25 CT – Wetlands
25-30 CT – Arathi Highlands
25-30 CT – Northern Stranglethorn
25-30 CT – Stonetalon Mountains
30-35 CT – Cape of Stranglethorn
30-35 CT – Desolace
30-35 CT – Hinterlands
30-35 CT – Southern Barrens
35-40 CT – Dustwallow Marsh
35-40 CT – Feralas
35-40 CT – Western Plaguelands
40-45 CT – Eastern Plaguelands
40-45 CT – Thousand Needles
45-48 CT – Badlands
45-50 CT – Felwood
45-50 CT – Tanaris
48-50 CT – Searing Gorge
48-52 CT – Blackrock Mountain
50-52 CT – Burning Steppes
50-55 CT – Un’goro Crater
50-55 CT – Winterspring
52-54 CT – Swamp of Sorrows
54-60 CT – Blasted Lands
55-58 CT WRAT Plaguelands: The Scarlet Enclave (DK only)
55-60 CT – Deadwind Pass
55-60 CT – Moonglade
55-60 CT – Silithus
TBD Ahn’Qira The Fallen Kingdom
58-63 CT BC – Hellfire Peninsula
60-64 CT BC – Zangarmarsh
62-65 CT BC – Terokkar Forest
64-67 CT BC – Nagrand
65-68 CT BC – Blade’s Edge Mountains
67-70 CT BC – Netherstorm
67-70 CT BC – Shadowmoon Valley
68-72 CT WRAT – Borean Tundra
68-72 CT WRAT – Howling Fjord
70-73 CT BC – Isle of Quel’Danas
71-75 CT WRAT – Dragonblight
73-75 CT WRAT – Grizzly Hills
74-76 CT WRAT – Zul’Drak
76-78 CT WRAT – Sholazar Basin
77-80 CT WRAT – Crystalsong Forest
77-80 CT WRAT – Hrothgar’s Landing
77-80 CT WRAT – Icecrown
77-80 CT WRAT – Storm Peaks
77-80 CZ WRAT – Wintergrasp
80-82 CT CATA – Mount Hyjal
80-82 CT CATA – Vashj’ir
82-83 CT CATA – Deepholm
83-84 CT CATA – Uldum
84-85 CT CATA – Twilight Highlands
84-85 CZ CATA – Tol Barad
84-85 CT CATA – Tol Barad Peninsula
85 CT CATA – Molten Front
85-86 CT MISTS – Jade Forest
86-88 CT MISTS – Krasarang Wilds
86-88 CT MISTS – Valley of the Four Winds
87-89 CT MISTS – Kun-Lai Summit
89-90 CT MISTS – Dread Wastes
89-90 CT MISTS – Townlong Steppes
90 CT MISTS – Vale of Eternal Blossoms