| Prefixes | # | Cont. | ID | Country | Prefixes |
|---|
| 1 | EU | CT | Portugal | 1 | 0.6 | CT1 | | 2 | EU | DL | Fed. Rep. of Germany | 1 | 0.6 | DL4 | | 3 | EU | HB | Switzerland | 1 | 0.6 | HB9 | | 4 | EU | I | Italy | 1 | 0.6 | IA9 | | 5 | NA | K | United States | 138 | 89.0 | AA1 AA2 AA3 AA4 AA8 AB3 AB4 AB8 AB9 AC2 AD8 AD9 AE4 AF2 AF4 AF7 AG4 AI6 AJ4 AK4 AK5 K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA1 KA2 KA5 KA8 KA9 KB0 KB1 KB4 KC0 KC1 KC3 KC4 KC9 KD2 KD8 KE0 KE2 KE3 KE4 KE8 KF0 KF1 KF4 KG0 KG1 KI4 KI7 KK2 KK7 KM3 KM4 KN0 KN4 KN6 KQ4 KR4 KS7 KW4 KX0 KX4 KY4 KZ3 N0 N1 N2 N3 N4 N5 N6 N7 N8 N9 NA3 NA5 NA9 ND3 ND8 NE1 NE8 NF0 NF6 NG7 NM1 NN2 NQ2 NR4 NS2 NU2 NW2 NW8 NY4 W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA1 WA2 WA3 WA4 WA5 WA9 WB0 WB2 WB4 WB5 WB8 WB9 WD2 WD4 WD9 WE8 WM3 WO2 WQ0 WQ5 WR0 WU2 WX4 WX8 WY8 WZ8 | | 6 | NA | KP4 | Puerto Rico | 1 | 0.6 | KP4 | | 7 | SA | PJ4 | Bonaire | 1 | 0.6 | PJ4 | | 8 | EU | SM | Sweden | 1 | 0.6 | SH3 | | 9 | NA | VE | Canada | 9 | 5.8 | VA3 VA7 VE2 VE3 VE5 VE6 VE7 VE9 VY2 | | 10 | OC | ZL | New Zealand | 1 | 0.6 | ZL2 |
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