| Prefixes | # | Cont. | ID | Country | Prefixes |
|---|
| 1 | AS | 5B | Cyprus | 1 | 1.3 | P33 | | 2 | EU | DL | Germany | 1 | 1.3 | DK6 | | 3 | EU | EI | Ireland | 1 | 1.3 | EI9 | | 4 | NA | FM | Martinique | 1 | 1.3 | FM4 | | 5 | EU | G | England | 1 | 1.3 | G6 | | 6 | EU | GI | Northern Ireland | 1 | 1.3 | GI5 | | 7 | EU | GM | Scotland | 1 | 1.3 | GM6 | | 8 | SA | HC | Ecuador | 1 | 1.3 | HC1 | | 9 | NA | HI | Dominican Republic | 1 | 1.3 | HI3 | | 10 | NA | K | United States | 41 | 54.7 | AB4 AB5 AC7 AG1 AJ4 AK4 K1 K3 K5 K9 KA9 KB3 KB8 KC7 KC8 KC9 KD8 KF4 KI5 KJ4 KJ6 KK4 KX2 KX4 N1 N4 N6 N7 ND0 NY1 W0 W2 W4 W6 W7 W8 W9 WA1 WB2 WB5 WW7 | | 11 | NA | KP4 | Puerto Rico | 1 | 1.3 | WP3 | | 12 | SA | LU | Argentina | 1 | 1.3 | LU2 | | 13 | EU | OE | Austria | 1 | 1.3 | OE4 | | 14 | EU | OH | Finland | 1 | 1.3 | OH8 | | 15 | EU | ON | Belgium | 2 | 2.7 | ON3 ON4 | | 16 | EU | OZ | Denmark | 1 | 1.3 | OZ5 | | 17 | SA | PY | Brazil | 4 | 5.3 | PS2 PT2 PY1 PY2 | | 18 | EU | S5 | Slovenia | 1 | 1.3 | S51 | | 19 | EU | SP | Poland | 4 | 5.3 | SN3 SP4 SP9 SQ9 | | 20 | AS | UA9 | Asiatic Russia | 1 | 1.3 | UA0 | | 21 | NA | V4 | St. Kitts & Nevis | 1 | 1.3 | V47 | | 22 | NA | VE | Canada | 3 | 4.0 | VA3 VE3 VE4 | | 23 | OC | VK | Australia | 3 | 4.0 | VK2 VK3 VK5 | | 24 | EU | YO | Romania | 1 | 1.3 | YO9 |
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