ITU zones index
| KH1 | Baker & Howland Is. | OC | 61 | 31 | AJ10 |
| KH3 | Johnston I. | OC | 61 | 31 | AK56 |
| KH4 | Midway I. | OC | 61 | 31 | AL18 |
| KH5 | Palmyra (excluding Jarvis) | OC | 61,62 | 31 | AJ85 |
| KH5K | Kingman Reef | OC | 61 | 31 | AJ86 |
| KH6,7 | Hawaii | OC | 61 | 31 | BL11 |
| KH7K | Kure I. | OC | 61 | 31 | AL08 |
| T32 | E. Kiribati (Line Is.) | OC | 61,63 | 31 | BJ11 |
| prefix | entity | continent | ITU zone | CQ zone | GL |