- Albania
- Andorra
- Armenia
- Azerbaijan
- Belarus
- Bosnia & Herzegovina
- Faroe Islands
- Georgia
- Gibraltar
- Greenland
- Iceland
- Kazakhstan
- Kosovo
- Kyrgyzstan
- Liechtenstein
- Moldova
- Montenegro
- North Macedonia
- Norway
(including Spitzbergen) - Russia
- San Marino
- Serbia
- Switzerland
- Tajikistan
- Turkey
- Turkmenistan
- Ukraine
- Uzbekistan
- Vatican City State
Covers all countries, not defined as being in Europe, World Zone 2 or World Zone 3.
World Zone 1 generally covers countries in North America (excluding the USA), South America, Africa, the Middle East, the Far East and South East Asia.
- Australia
- Belau
- British Indian Ocean Territory
- Christmas Island (Indian Ocean)
- Christmas Island (Pacific Ocean)
- Cocos Islands
- Cook Island
- Coral Sea Island
- Fiji
- French Polynesia
- French South Antarctic Territory
- Keeling
- Kiribati
- Macao
- Nauru Island
- New Caledonia
- New Zealand
- New Zealand Antarctic Territory
- Niue Island
- Norfolk Island
- Norwegian Antarctic Territory
- Papua New Guinea
- People's Democratic Republic of Laos
- Pitcairn Island
- Republic of Singapore
- Solomon Islands
- Tahiti
- Tokelau Islands
- Tonga
- Tuvalu
- US Samoa
- Western Samoa