| Prefixes | # | Cont. | ID | Country | Prefixes |
|---|
| 1 | AS | 4X | Israel | 1 | 0.8 | 4X1 | | 2 | NA | CM | Cuba | 2 | 1.5 | CO2 CO3 | | 3 | EU | DL | Fed. Rep. of Germany | 1 | 0.8 | DL7 | | 4 | EU | EA | Spain | 10 | 7.6 | EA1 EA2 EA4 EA5 EA7 EB1 EB7 EC1 EE5 EE7 | | 5 | AF | EA8 | Canary Islands | 1 | 0.8 | EA8 | | 6 | EU | EU | Belarus | 2 | 1.5 | EW6 EW8 | | 7 | EU | F | France | 2 | 1.5 | F2 F6 | | 8 | EU | HA | Hungary | 3 | 2.3 | HA3 HG0 HG3 | | 9 | EU | I | Italy | 4 | 3.0 | I1 IK5 IV3 IZ8 | | 10 | NA | J3 | Grenada | 1 | 0.8 | J35 | | 11 | AS | JA | Japan | 3 | 2.3 | JA1 JA3 JS1 | | 12 | NA | K | United States | 28 | 21.2 | AB1 AI4 AK5 K0 K6 K8 K9 KB2 KB3 KC9 KD8 KE8 KI0 KI6 KJ6 KK4 KM2 KM4 N0 N5 N6 N9 NO7 W0 W1 W4 W7 WD4 | | 13 | SA | LU | Argentina | 1 | 0.8 | LW2 | | 14 | EU | LZ | Bulgaria | 1 | 0.8 | LZ2 | | 15 | EU | OH | Finland | 2 | 1.5 | OH3 OH8 | | 16 | EU | OK | Czech Republic | 1 | 0.8 | OK2 | | 17 | EU | OM | Slovak Republic | 2 | 1.5 | OM4 OM7 | | 18 | SA | PY | Brazil | 4 | 3.0 | PU2 PY1 PY2 PY7 | | 19 | EU | S5 | Slovenia | 1 | 0.8 | S57 | | 20 | EU | SP | Poland | 7 | 5.3 | SO7 SP5 SP6 SP8 SQ7 SQ8 SQ9 | | 21 | EU | SV | Greece | 1 | 0.8 | SV2 | | 22 | EU | SV9 | Crete | 1 | 0.8 | SW9 | | 23 | EU | UA | European Russia | 25 | 18.9 | R1 R2 R3 R8 RA1 RA3 RA4 RA6 RD3 RK3 RL3 RN3 RN4 RN6 RU3 RU4 RV3 RW3 RX3 RZ3 UA1 UA3 UA4 UA6 UB1 | | 24 | AS | UA9 | Asiatic Russia | 3 | 2.3 | RK9 RX9 UI9 | | 25 | AS | UN | Kazakhstan | 1 | 0.8 | UN7 | | 26 | EU | UR | Ukraine | 12 | 9.1 | U5 UR3 UR5 UR7 US7 UT2 UT3 UT4 UT5 UT7 UX1 UY5 | | 27 | NA | VE | Canada | 1 | 0.8 | VE2 | | 28 | NA | XE | Mexico | 1 | 0.8 | XE2 | | 29 | EU | YL | Latvia | 1 | 0.8 | YL2 | | 30 | EU | YO | Romania | 5 | 3.8 | YO2 YO3 YO4 YO6 YO9 | | 31 | EU | YU | Serbia | 2 | 1.5 | YT1 YU1 | | 32 | SA | YV | Venezuela | 1 | 0.8 | YV5 | | 33 | EU | Z3 | North Macedonia | 1 | 0.8 | Z320 |
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