| Prefixes | # | Cont. | ID | Country | Prefixes |
|---|
| 1 | AS | 4X | Israel | 1 | 0.9 | 4Z4 | | 2 | NA | CM | Cuba | 1 | 0.9 | CO2 | | 3 | EU | DL | Fed. Rep. of Germany | 2 | 1.8 | DG0 DL5 | | 4 | OC | DU | Philippines | 1 | 0.9 | DV1 | | 5 | EU | EA | Spain | 3 | 2.8 | EA2 EA3 EA7 | | 6 | EU | ES | Estonia | 1 | 0.9 | ES1 | | 7 | EU | EU | Belarus | 1 | 0.9 | EU6 | | 8 | EU | HA | Hungary | 2 | 1.8 | HA1 HA8 | | 9 | EU | I | Italy | 35 | 32.1 | I0 I2 I3 I4 I6 I7 I8 IB1 II0 IK0 IK1 IK2 IK3 IK4 IK5 IK6 IK8 IN3 IO2 IO7 IQ1 IQ4 IQ5 IV3 IW3 IW5 IW6 IW8 IZ0 IZ1 IZ2 IZ3 IZ5 IZ7 IZ8 | | 10 | EU | IS | Sardinia | 1 | 0.9 | IS0 | | 11 | EU | *IT9 | Sicily | 2 | 1.8 | IT9 IW9 | | 12 | AS | JA | Japan | 7 | 6.4 | JA0 JA1 JA2 JA3 JR1 JR4 JR6 | | 13 | NA | K | United States | 4 | 3.7 | K8 N3 N8 WB4 | | 14 | EU | LY | Lithuania | 1 | 0.9 | LY1 | | 15 | EU | LZ | Bulgaria | 1 | 0.9 | LZ67 | | 16 | EU | OH | Finland | 6 | 5.5 | OG8 OH2 OH3 OH6 OH7 OH8 | | 17 | EU | OK | Czech Republic | 1 | 0.9 | OK1 | | 18 | EU | OM | Slovak Republic | 3 | 2.8 | OM0 OM4 OM5 | | 19 | EU | ON | Belgium | 1 | 0.9 | ON5 | | 20 | EU | PA | Netherlands | 1 | 0.9 | PD0 | | 21 | SA | PY | Brazil | 1 | 0.9 | PU7 | | 22 | EU | S5 | Slovenia | 2 | 1.8 | S51 S57 | | 23 | EU | SM | Sweden | 1 | 0.9 | SM0 | | 24 | EU | SP | Poland | 5 | 4.6 | SO9 SP3 SP4 SP6 SP8 | | 25 | AS | TA | Asiatic Turkey | 1 | 0.9 | TA2 | | 26 | EU | UA | European Russia | 6 | 5.5 | RA1 RA3 RW3 RX9 UA4 UA6 | | 27 | AS | UN | Kazakhstan | 3 | 2.8 | UN5 UN7 UP6 | | 28 | EU | UR | Ukraine | 7 | 6.4 | UR7 UT2 UT4 UT5 UW8 UX1 UX2 | | 29 | NA | VE | Canada | 2 | 1.8 | VE2 VE3 | | 30 | EU | YO | Romania | 3 | 2.8 | YO2 YO5 YO6 | | 31 | SA | YV | Venezuela | 1 | 0.9 | YV5 | | 32 | EU | Z3 | North Macedonia | 1 | 0.9 | Z31 | | 33 | AS | ZC4 | UK Base Areas on Cyprus | 1 | 0.9 | ZC4 |
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