Area code 21 is used for the following cities:
Click on any city to see time zone and surise sunset time.
- Algeria - Algiers (+213-21)
- Brazil - Rio de Janeiro - Niteroi (+55-21)
- Brazil - Rio de Janeiro - Rio De Janeiro (+55-21)
- China - Shanghai Municipality - Shanghai (+86-21)
- Greece - Athens (+30-21)
- Indonesia - Java - Jakarta (+62-21)
- Iran - Tehran (+98-21)
- Ireland - Cork (+353-21)
- Laos - Vientiane (+856-21)
- Libya - Tripoli (+218-21)
- Mozambique - Maputo (+258-21)
- Pakistan - Karachi (+92-21)
- Paraguay - Asuncion (+595-21)
- Portugal - Amadora (+351-21)
- Portugal - Cascais (+351-21)
- Portugal - Lisbon (+351-21)
- Portugal - Loures (+351-21)
- Romania - Bucharest (+40-21)
- South Africa - Atlantis (+27-21)
- South Africa - Bellville (+27-21)
- South Africa - Cape Town (+27-21)
- South Africa - Franschhoek (+27-21)
- South Africa - Grabouw (+27-21)
- South Africa - Paarl (+27-21)
- South Africa - Somerset West (+27-21)
- South Africa - Stellenbosch (+27-21)
- South Africa - Strand (+27-21)
- Sweden - Vasteras (+46-21)
- Switzerland - Lausanne (+41-21)
- Syria - Aleppo (+963-21)