| prefix | entity | cont | ITU zone | CQ zone | GL |
| FO, TX | Clipperton I. | NA | 10 | 7 | DK50 |
| HK0 | San Andres & Providencia | NA | 11 | 7 | EK92, EK93 |
| HO-HP | Panama | NA | 11 | 7 | FJ08 |
| HQ-HR | Honduras | NA | 11 | 7 | EK64 |
| TG, TD | Guatemala | NA | 11 | 7 | EK44 |
| TI, TE | Costa Rica | NA | 11 | 7 | EJ79 |
| TI9 | Cocos I. | NA | 11 | 7 | EJ65 |
| V3 | Belize | NA | 11 | 7 | EK57 |
| YN, H6-7, HT | Nicaragua | NA | 11 | 7 | EK62 |
| YS, HU | El Salvador | NA | 11 | 7 | EK53 |
| 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 |