| prefix | entity | cont | ITU zone | CQ zone | GL |
| K, W, N, AA-AK | United States of America | NA | 6, 7, 8 | 3, 4, 5 | EN61 |
| VA-VG, VO, VY | Canada | NA | 2, 3, 4, 9, 75 | 1, 2, 3, 4, 5 | EO10 |
| zone 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 |