Which World Zone?

UK

Covers England, Scotland, Wales and Northern Ireland.

Europe

AlbaniaDenmark (EU)KyrgyzstanRussia
AndorraEstonia (EU)Latvia (EU)San Marino
ArmeniaFaroe IslandsLiechtensteinSerbia
Austria (EU)Finland (EU)Lithuania (EU)Slovakia (EU)
AzerbaijanFrance (EU)Luxembourg (EU)Slovenia (EU)
Azores (EU)GeorgiaMacedoniaSpain (EU)
Balearic Islands (EU)Germany (EU)Madeira (EU)Sweden (EU)
BelarusGibraltarMalta (EU)Switzerland
Belgium (EU)Greece (EU)MoldovaTajikistan
Bosnia-HerzegovinaGreenlandMonaco (EU)Turkey
Bulgaria (EU)Hungary (EU)MontenegroTurkmenistan
Canary IslandsIcelandNetherlands (EU)Ukraine
Corsica (EU)Irish Republic (EU)NorwayUzbekistan
Croatia (EU)Italy (EU)Poland (EU)Vatican City State
Cyprus (EU)KazakhstanPortugal (EU) 
Czech Republic (EU)KosovoRomania (EU) 

Use World Zone 1 for countries that aren’t a part of Europe or World Zone 2.

Use World Zone 3 for the USA.

Use World Zone 2 for other territories. For a full list, see below for What’s in World Zone 2?

What’s in World Zone 1?

Covers all countries that aren’t a part of Europe or World Zone 2 or 3. World Zone 1 generally covers countries in North America (except the USA), South America, Africa, the Middle East, the Far East and South East Asia (other than Singapore and Laos). The USA is in World Zone 3.

What’s in World Zone 2?

AustraliaBeluaBritish Indian Ocean TerritoryChristmas Island (Indian Ocean)
Christmas Island (Pacific Ocean)Cocos IslandsCook IslandCoral Sea Island
FijiFrench PolynesiaFrench South Antarctic TerritoryKeeling
KiribatiMacaoNaurun IslandNew Caledonia
New ZealandNew Zealand Antarctic TerritoryNiue IslandNorfolk Island
Norwegian Antarctic TerritoryPapua New GuineaPeople’s Democractic Republic of LaosPitcairn Island
Republic of SingaporeSolomon IslandsTahitiTokelau Islands
TongaTuvaluUS SamoaWestern Samoa