| # | Cont. | ID | Country | Prefixes |
|---|
| 1 | EU | 4O | Montenegro | 2 | 0.5 | 4O0 4O3 |
| 2 | EU | 9A | Croatia | 7 | 1.7 | 9A0 9A1 9A2 9A3 9A4 9A5 9A6 |
| 3 | EU | CT | Portugal | 3 | 0.7 | CR6 CT1 CT7 |
| 4 | EU | DL | Germany | 70 | 16.5 | DA0 DA2 DA3 DC4 DC9 DD3 DF0 DF1 DF2 DF3 DF4 DF5 DF6 DF7 DF8 DF9 DG3 DG7 DG8 DH0 DH1 DH2 DH3 DH6 DJ0 DJ1 DJ2 DJ3 DJ4 DJ5 DJ6 DJ7 DJ8 DJ9 DK0 DK1 DK2 DK3 DK4 DK5 DK6 DK7 DK8 DK9 DL0 DL1 DL2 DL3 DL4 DL5 DL6 DL7 DL8 DL9 DM1 DM2 DM3 DM4 DM5 DM6 DO1 DO2 DO5 DO6 DP4 DP6 DQ0 DR3 DR5 DR6 |
| 5 | EU | E7 | Bosnia-Herzegovina | 4 | 0.9 | E7 E72 E73 E74 |
| 6 | EU | EA | Spain | 7 | 1.7 | EA1 EA3 EA4 EA5 EA7 EB2 EF1 |
| 7 | EU | EA6 | Balearic Islands | 1 | 0.2 | EA6 |
| 8 | EU | EI | Ireland | 4 | 0.9 | EI0 EI2 EI5 EI7 |
| 9 | EU | ER | Moldova | 2 | 0.5 | ER3 ER5 |
| 10 | EU | ES | Estonia | 3 | 0.7 | ES1 ES4 ES5 |
| 11 | EU | EU | Belarus | 7 | 1.7 | EU4 EU5 EU6 EV1 EW1 EW6 EW8 |
| 12 | EU | F | France | 7 | 1.7 | F2 F3 F5 F6 F8 F9 TM6 |
| 13 | EU | G | England | 11 | 2.6 | G0 G3 G4 G5 G6 G7 G8 M0 M3 M5 M6 |
| 14 | EU | GD | Isle of Man | 1 | 0.2 | MD0 |
| 15 | EU | GI | Northern Ireland | 1 | 0.2 | GI3 |
| 16 | EU | GJ | Jersey | 1 | 0.2 | MJ0 |
| 17 | EU | GM | Scotland | 4 | 0.9 | GM0 GM3 GM4 MM0 |
| 18 | EU | *GM/s | Shetland and Fair Isle | 0 | 0.0 | |
| 19 | EU | GW | Wales | 2 | 0.5 | GW0 GW3 |
| 20 | EU | HA | Hungary | 11 | 2.6 | HA0 HA1 HA3 HA5 HA6 HA7 HA8 HA9 HG1 HG4 HG8 |
| 21 | EU | HB | Switzerland | 1 | 0.2 | HB9 |
| 22 | EU | HB0 | Liechtenstein | 1 | 0.2 | HB0 |
| 23 | EU | I | Italy | 27 | 6.4 | I0 I2 I3 I4 I5 I6 I8 IC8 IK0 IK1 IK2 IK4 IK5 IK8 IR2 IR3 IR4 IV3 IW0 IW2 IW7 IZ2 IZ3 IZ4 IZ5 IZ7 IZ8 |
| 24 | EU | IS | Sardinia | 1 | 0.2 | IS0 |
| 25 | EU | *IT9 | Sicily | 1 | 0.2 | IT9 |
| 26 | NA | K | United States | 1 | 0.2 | KC4 |
| 27 | EU | LA | Norway | 4 | 0.9 | LA2 LA3 LA5 LA7 |
| 28 | EU | LX | Luxembourg | 1 | 0.2 | LX7 |
| 29 | EU | LY | Lithuania | 6 | 1.4 | LY1 LY2 LY4 LY5 LY6 LY9 |
| 30 | EU | LZ | Bulgaria | 7 | 1.7 | LZ1 LZ2 LZ4 LZ5 LZ7 LZ8 LZ9 |
| 31 | EU | OE | Austria | 6 | 1.4 | OE1 OE2 OE3 OE4 OE8 OE9 |
| 32 | EU | OH | Finland | 7 | 1.7 | OG1 OG6 OH1 OH2 OH5 OH6 OH8 |
| 33 | EU | OH0 | Aland Islands | 1 | 0.2 | OH0 |
| 34 | EU | OK | Czech Republic | 9 | 2.1 | OK1 OK2 OK3 OK5 OK6 OK7 OL1 OL4 OL5 |
| 35 | EU | OM | Slovakia | 5 | 1.2 | OM2 OM3 OM4 OM7 OM8 |
| 36 | EU | ON | Belgium | 8 | 1.9 | ON3 ON4 ON5 OP4 OP7 OQ4 OQ5 OR2 |
| 37 | EU | OY | Faroe Islands | 1 | 0.2 | OY4 |
| 38 | EU | OZ | Denmark | 6 | 1.4 | OZ0 OZ1 OZ5 OZ6 OZ7 OZ8 |
| 39 | EU | PA | Netherlands | 18 | 4.3 | PA0 PA1 PA2 PA3 PA30 PA5 PA7 PB2 PC5 PD2 PD5 PD7 PE1 PE2 PE7 PG2 PG7 PI4 |
| 40 | EU | S5 | Slovenia | 9 | 2.1 | S50 S51 S52 S53 S55 S56 S57 S58 S59 |
| 41 | EU | SM | Sweden | 15 | 3.5 | 8S6 SA1 SA6 SC3 SE6 SF3 SF5 SI5 SJ0 SK2 SM0 SM4 SM5 SM6 SM7 |
| 42 | EU | SP | Poland | 18 | 4.3 | SN3 SN6 SN7 SN8 SP0 SP1 SP2 SP3 SP4 SP5 SP6 SP7 SP8 SP9 SQ5 SQ7 SQ8 SQ9 |
| 43 | EU | SV | Greece | 5 | 1.2 | J43 SV1 SV2 SV7 SX3 |
| 44 | EU | SV9 | Crete | 1 | 0.2 | SV9 |
| 45 | EU | T7 | San Marino | 1 | 0.2 | T70 |
| 46 | EU | *TA1 | European Turkey | 1 | 0.2 | TA1 |
| 47 | EU | TK | Corsica | 2 | 0.5 | TK0 TK5 |
| 48 | EU | UA | European Russia | 37 | 8.7 | R1 R2 R3 R6 R7 RA1 RA3 RA4 RA6 RG3 RG5 RJ4 RK3 RK6 RL3 RM2 RM5 RN3 RN4 RN6 RO3 RQ5 RU1 RU3 RU4 RV3 RV6 RW1 RX3 RX6 RZ6 UA1 UA3 UA4 UA5 UA6 UA7 |
| 49 | EU | UA2 | Kaliningrad | 2 | 0.5 | RA2 UA2 |
| 50 | EU | UR | Ukraine | 43 | 10.2 | EO3 UR0 UR1 UR2 UR3 UR5 UR6 UR7 UR8 UR9 US0 US1 US2 US5 US6 US7 UT0 UT1 UT3 UT4 UT5 UT7 UU0 UU2 UU3 UU5 UU7 UU9 UV3 UW1 UW2 UW5 UX1 UX3 UX4 UX5 UX7 UY1 UY3 UY4 UY5 UZ0 UZ5 |
| 51 | NA | VE | Canada | 2 | 0.5 | VE2 VE3 |
| 52 | EU | YL | Latvia | 3 | 0.7 | YL2 YL3 YL5 |
| 53 | EU | YO | Romania | 12 | 2.8 | YO2 YO3 YO4 YO5 YO6 YO7 YO9 YP9 YQ6 YR1 YR30 YR5 |
| 54 | EU | YU | Serbia | 11 | 2.6 | YT0 YT1 YT3 YT5 YT7 YT9 YU1 YU2 YU3 YU6 YU7 |
| 55 | EU | Z3 | Macedonia | 2 | 0.5 | Z32 Z35 |