| Prefixes | # | Cont. | ID | Country | Prefixes |
|---|
| 1 | AS | 4J | Azerbaijan | 1 | 1.2 | 4K6 | | 2 | EU | 9A | Croatia | 1 | 1.2 | 9A2 | | 3 | EU | DL | Fed. Rep. of Germany | 3 | 3.7 | DG0 DG1 DL1 | | 4 | EU | EU | Belarus | 3 | 3.7 | EU6 EW6 EW8 | | 5 | EU | HA | Hungary | 4 | 4.9 | HA2 HA6 HA8 HG6 | | 6 | EU | I | Italy | 4 | 4.9 | I4 IK0 IN3 IZ5 | | 7 | EU | LY | Lithuania | 1 | 1.2 | LY2 | | 8 | EU | LZ | Bulgaria | 1 | 1.2 | LZ1 | | 9 | EU | OE | Austria | 3 | 3.7 | OE3 OE5 OE6 | | 10 | EU | OH | Finland | 1 | 1.2 | OH6 | | 11 | EU | OK | Czech Republic | 2 | 2.4 | OK1 OK2 | | 12 | EU | ON | Belgium | 1 | 1.2 | OS4 | | 13 | EU | PA | Netherlands | 1 | 1.2 | PD3 | | 14 | EU | S5 | Slovenia | 1 | 1.2 | S57 | | 15 | EU | SP | Poland | 9 | 11.0 | SP3 SP4 SP5 SP6 SP7 SP8 SP9 SQ5 SQ7 | | 16 | EU | SV | Greece | 1 | 1.2 | SV1 | | 17 | EU | SV9 | Crete | 1 | 1.2 | SV9 | | 18 | EU | UA | European Russia | 21 | 25.6 | R1 R2 R3 R4 RA1 RA3 RA4 RC4 RK3 RN3 RN4 RU3 RV6 RW3 RX3 RX6 RZ3 UA1 UA3 UA4 UA6 | | 19 | AS | UA9 | Asiatic Russia | 5 | 6.1 | R9 RA0 RA9 RV9 RZ9 | | 20 | AS | UK | Uzbekistan | 1 | 1.2 | UK7 | | 21 | EU | UR | Ukraine | 12 | 14.6 | UR4 UR5 UR7 UR8 US5 US6 UT2 UT3 UT4 UT5 UT8 UX0 | | 22 | EU | YL | Latvia | 1 | 1.2 | YL2 | | 23 | EU | YO | Romania | 2 | 2.4 | YO5 YO6 | | 24 | EU | YU | Serbia | 2 | 2.4 | YT1 YT7 |
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