| Rotary District ID | Description | |
|---|---|---|
| 4320 | CHILE (Northern part) | D4320 |
| 4340 | CHILE (Central part) | D4340 |
| 4355 | (part of) CHILE | D4355 |
| 4400 | ECUADOR | D4400 |
| 4455 | (part of) PERU | D4455 |
| 4465 | (part of) PERU | D4465 |
| 4690 | BOLIVIA | D4690 |
| 4845 | ARGENTINA, (and) PARAGUAY | D4845 |
| 4851 | ARGENTINA (Catamarca, Cordoba, Jujuy, La Rioja, Mendoza, San Juan, San Luis, Salta, Santiago del Estero, Tucuman, and part of La Pampa) | D4851 |
| 4895 | ARGENTINA (part of Buenos Aires and Capital Federal) | D4895 |
| 4905 | ARGENTINA (Buenos Aires) | D4905 |
| 4921 | ARGENTINA (part of Buenos Aires, Neuquen, Rio Negro, Chubut, Santa Cruz, La Pampa and the prov. of Tierra del Fuego, Antartida e Islas del Atlantico Sur) | D4921 |
| 4945 | ARGENTINA (EntrE Rios and Santa Fe); URUGUAY (Western part) | D4945 |
| 4975 | URUGUAY (Eastern and Western parts) | D4975 |
| 4630 | BRAZIL (part of Parana) | D4630 |
| 4640 | BRAZIL (part of Parana) | D4640 |
| 4652 | BRAZIL (part of Santa Catarina) | D4652 |
| 4660 | BRAZIL (part of Rio Grande do Sul) | D4660 |
| 4670 | BRAZIL (part of Rio Grande do Sul) | D4670 |
| 4680 | BRAZIL (part of Rio Grande do Sul) | D4680 |
| 4700 | BRAZIL (part of Rio Grande do Sul) | D4700 |
| 4710 | BRAZIL (part of Parana) | D4710 |
| 4730 | BRAZIL (part of Parana) | D4730 |
| 4740 | BRAZIL (parts of Santa Catarina and Parana) | D4740 |
| 4780 | BRAZIL (part of Rio Grande do Sul) | D4780 |