| # | Cont. | ID | Country | Prefixes |
|---|
| 1 | EU | 4O | Montenegro | 1 | 0.4 | 4O3 |
| 2 | EU | 9A | Croatia | 4 | 1.6 | 9A1 9A2 9A3 9A5 |
| 3 | EU | DL | Fed. Rep. of Germany | 26 | 10.4 | DC4 DC9 DD2 DD5 DF3 DF5 DF9 DH0 DJ2 DJ3 DJ5 DJ6 DJ8 DJ9 DK3 DK5 DL0 DL1 DL3 DL4 DL5 DL6 DL8 DM8 DQ7 DR1 |
| 4 | EU | E7 | Bosnia-Herzegovina | 4 | 1.6 | E7 E70 E74 E77 |
| 5 | EU | EA | Spain | 5 | 2.0 | EA1 EA2 EA4 EA5 EC2 |
| 6 | EU | EI | Ireland | 1 | 0.4 | EI5 |
| 7 | EU | ES | Estonia | 2 | 0.8 | ES5 ES7 |
| 8 | EU | EU | Belarus | 8 | 3.2 | EU1 EU5 EV6 EW1 EW2 EW4 EW6 EW8 |
| 9 | EU | F | France | 4 | 1.6 | F0 F5 F6 F8 |
| 10 | EU | G | England | 6 | 2.4 | G3 G4 G5 M0 M3 M7 |
| 11 | EU | GI | Northern Ireland | 1 | 0.4 | GI4 |
| 12 | EU | GM | Scotland | 1 | 0.4 | GM3 |
| 13 | EU | GW | Wales | 1 | 0.4 | MW5 |
| 14 | EU | HA | Hungary | 9 | 3.6 | HA1 HA3 HA5 HA6 HA8 HG1 HG6 HG7 HG8 |
| 15 | EU | HB | Switzerland | 1 | 0.4 | HB9 |
| 16 | EU | I | Italy | 12 | 4.8 | I2 IK2 IK4 IK8 IN3 IQ1 IQ2 IV3 IY3 IZ1 IZ2 IZ4 |
| 17 | EU | *IT9 | Sicily | 1 | 0.4 | IT9 |
| 18 | EU | LX | Luxembourg | 1 | 0.4 | LX4 |
| 19 | EU | LY | Lithuania | 7 | 2.8 | LY1 LY2 LY3 LY4 LY5 LY7 LY9 |
| 20 | EU | LZ | Bulgaria | 6 | 2.4 | LZ1 LZ100 LZ2 LZ4 LZ5 LZ8 |
| 21 | EU | OH | Finland | 7 | 2.8 | OG3 OG6 OH1 OH10 OH2 OH5 OH6 |
| 22 | EU | OK | Czech Republic | 7 | 2.8 | OK1 OK2 OK7 OL1 OL3 OL5 OL6 |
| 23 | EU | OM | Slovak Republic | 3 | 1.2 | OM3 OM5 OM7 |
| 24 | EU | ON | Belgium | 4 | 1.6 | OO9 OP4 OQ5 OT1 |
| 25 | EU | OZ | Denmark | 2 | 0.8 | OZ2 OZ6 |
| 26 | EU | PA | Netherlands | 5 | 2.0 | PA2 PA3 PA4 PA5 PA9 |
| 27 | EU | S5 | Slovenia | 10 | 4.0 | S50 S51 S52 S53 S54 S55 S56 S57 S58 S59 |
| 28 | EU | SM | Sweden | 6 | 2.4 | SA6 SC0 SC3 SE5 SE6 SM5 |
| 29 | EU | SP | Poland | 10 | 4.0 | 3Z0 SN5 SN7 SO2 SP1 SP2 SP4 SP7 SP9 SQ9 |
| 30 | EU | SV | Greece | 1 | 0.4 | SV1 |
| 31 | EU | UA | European Russia | 50 | 19.9 | R1 R3 R4 R5 R7 R8 R9 RA1 RA3 RA4 RA6 RA7 RC3 RC6 RD1 RG6 RK4 RL4 RL5 RM1 RM2 RM5 RN4 RO4 RQ7 RT3 RT4 RT5 RT7 RU3 RU4 RV3 RW1 RW3 RW4 RW6 RX7 RY3 RZ3 UA3 UA4 UA5 UA6 UA7 UC7 UD3 UD4 UF4 UG3 UI5 |
| 32 | EU | UA2 | Kaliningrad | 2 | 0.8 | UA2 UI2 |
| 33 | AS | UA9 | Asiatic Russia | 1 | 0.4 | RM9 |
| 34 | EU | UR | Ukraine | 23 | 9.2 | UR2 UR3 UR4 UR7 UR8 US2 UT0 UT1 UT2 UT3 UT4 UT5 UT7 UV1 UV5 UV7 UW1 UW2 UW4 UW7 UX1 UX4 UY5 |
| 35 | EU | YL | Latvia | 3 | 1.2 | YL2 YL3 YL5 |
| 36 | EU | YO | Romania | 7 | 2.8 | YO7 YO8 YO9 YP9 YQ6 YR5 YR8 |
| 37 | EU | YU | Serbia | 8 | 3.2 | YT0 YT2 YT4 YT5 YT8 YT9 YU1 YU2 |
| 38 | EU | Z3 | North Macedonia | 1 | 0.4 | Z35 |