| Prefixes | # | Cont. | ID | Country | Prefixes |
|---|
| 1 | AF | CT3 | Madeira Islands | 1 | 4.5 | CR3 | | 2 | EU | CU | Azores | 1 | 4.5 | CU2 | | 3 | EU | EA | Spain | 1 | 4.5 | EA3 | | 4 | EU | EI | Ireland | 1 | 4.5 | EI8 | | 5 | EU | GD | Isle of Man | 2 | 9.1 | GD6 MD7 | | 6 | EU | GM | Scotland | 2 | 9.1 | GM2 GM7 | | 7 | EU | I | Italy | 2 | 9.1 | IN3 IQ3 | | 8 | NA | K | United States | 2 | 9.1 | N1 W3 | | 9 | EU | OM | Slovak Republic | 2 | 9.1 | OM1 OM3 | | 10 | EU | OZ | Denmark | 1 | 4.5 | OZ11 | | 11 | EU | PA | Netherlands | 1 | 4.5 | PA6 | | 12 | SA | PJ4 | Bonaire | 1 | 4.5 | PJ4 | | 13 | EU | SM | Sweden | 1 | 4.5 | SM0 | | 14 | EU | SP | Poland | 1 | 4.5 | SP8 | | 15 | EU | UR | Ukraine | 2 | 9.1 | UR2 UR6 | | 16 | EU | Z6 | Republic of Kosovo | 1 | 4.5 | Z66 |
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