| Hammaps > CQ zones > 12 | Southwest Zone of South America |

| prefix | entity | continent | ITU zone | CQ zone | GL |
| 3Y | Peter I I. | AN | 72 | 12 | EC41 |
| CA-CE | Chile | SA | 14, 16 | 12 | FF46 |
| CE0 | Easter I. | SA | 63 | 12 | DG52, DG73 |
| CE0 | Juan Fernandez Is. | SA | 14 | 12 | FF06 |
| CE0 | San Felix & San Ambrosio | SA | 14 | 12 | EG93, FG03 |
| CE9, KC4, 3Y, 8J1, AT0, DP0, FT8Y, LU, OR4, R1AN, VK0, VP8, ZL5, ZS1, ZX0, etc. | Antarctica | AN | 67, 69, 70, 71, 72, 73, 74 | 12, 13, 29, 30, 32, 38, 39 | EB |