Zone 01 Northwestern Zone of North America
Zone 02 Northeastern Zone of North America
Zone 03 Western Zone of North America
Zone 04 Central Zone of North America
Zone 05 Eastern Zone of North America
Zone 06 Southern Zone of North America
Zone 07 Central American Zone
Zone 08 West Indies Zone
Zone 09 Northern Zone of South America
Zone 10 Western Zone of South America
Zone 11 Central Zone of South America
Zone 12 Southwest Zone of South America
Zone 13 Southeast Zone of South America
Zone 14 Western Zone of Europe
Zone 15 Central European Zone
Zone 16 Eastern Zone of Europe
Zone 17 Western Zone of Siberia
Zone 18 Central Siberian Zone
Zone 19 Eastern Siberian Zone
Zone 20 Balkan Zone
Zone 21 Southwestern Zone of Asia
Zone 22 Southern Zone of Asia
Zone 23 Central Zone of Asia
Zone 24 Eastern Zone of Asia
Zone 25 Japanese Zone
Zone 26 Southeastern Zone of Asia
Zone 27 Philippine Zone
Zone 28 Indonesian Zone
Zone 29 Western Zone of Australia
Zone 30 Eastern Zone of Australia
Zone 31 Central Pacific Zone
Zone 32 New Zealand Zone
Zone 33 Northwestern Zone of Africa
Zone 34 Northeastern Zone of Africa
Zone 35 Central Zone of Africa
Zone 36 Equatorial Zone of Africa
Zone 37 Eastern Zone of Africa
Zone 38 South African Zone
Zone 39 Madagascar Zone
