| Pais | Country | Prefijo |
| Afghanistan | Afghanistan | 93 |
| Albania | Albania | 355 |
| Alemania | Germany | 49 |
| Algeria | Algeria | 213 |
| Andorra | Andorra | 376 |
| Angola | Angola | 244 |
| Anguilla | Anguilla | 1000 |
| Antarctica | Antarctica | 672 |
| Antigua | Antigua | 1001 |
| Antillas Francesas | French Antilles | 596 |
| Antillas Holandesas | Netherlands Antilles | 599 |
| Arabia Saudita | Saudi Arabia | 966 |
| Argentina | Argentina | 54 |
| Aruba | Aruba | 297 |
| Australia | Australia | 61 |
| Austria | Austria | 43 |
| Azerbaijan | Azerbaijan | 994 |