| Prefixes | # | Cont. | ID | Country | Prefixes |
|---|
| 1 | EU | 4O | Montenegro | 1 | 0.3 | 4O3 | | 2 | AF | 5N | Nigeria | 1 | 0.3 | 5N7 | | 3 | NA | 6Y | Jamaica | 1 | 0.3 | 6Y3 | | 4 | EU | 9A | Croatia | 2 | 0.7 | 9A2 9A5 | | 5 | NA | C6 | Bahamas | 1 | 0.3 | C6 | | 6 | SA | CE | Chile | 1 | 0.3 | CE1 | | 7 | NA | CM | Cuba | 1 | 0.3 | CO6 | | 8 | EU | CT | Portugal | 2 | 0.7 | CR6 CS2 | | 9 | EU | CU | Azores | 1 | 0.3 | CR2 | | 10 | EU | DL | Germany | 15 | 5.1 | DJ2 DJ4 DJ5 DJ9 DK4 DK7 DL0 DL4 DL5 DL8 DL9 DM0 DM8 DQ4 DR1 | | 11 | EU | E7 | Bosnia-Herzegovina | 2 | 0.7 | E7 E74 | | 12 | EU | EA | Spain | 2 | 0.7 | EA5 ED1 | | 13 | EU | EI | Ireland | 1 | 0.3 | EI2 | | 14 | EU | ES | Estonia | 1 | 0.3 | ES9 | | 15 | EU | F | France | 1 | 0.3 | F5 | | 16 | NA | FM | Martinique | 1 | 0.3 | FM5 | | 17 | EU | G | England | 3 | 1.0 | G3 G4 M5 | | 18 | EU | GI | Northern Ireland | 1 | 0.3 | GI0 | | 19 | EU | GJ | Jersey | 1 | 0.3 | GJ2 | | 20 | EU | GM | Scotland | 1 | 0.3 | GM2 | | 21 | EU | GW | Wales | 2 | 0.7 | GW3 GW7 | | 22 | EU | HA | Hungary | 3 | 1.0 | HG1 HG5 HG7 | | 23 | EU | HB | Switzerland | 1 | 0.3 | HB9 | | 24 | NA | HI | Dominican Republic | 1 | 0.3 | HI3 | | 25 | SA | HK | Colombia | 1 | 0.3 | HK3 | | 26 | NA | HK0/a | San Andres/Providencia | 1 | 0.3 | HK0 | | 27 | EU | I | Italy | 4 | 1.3 | I3 I4 IK0 IZ4 | | 28 | NA | K | United States | 193 | 65.0 | AA1 AA2 AA3 AA4 AA5 AA7 AA9 AB0 AB1 AB2 AB4 AB5 AC0 AC2 AC4 AC6 AC7 AC8 AD4 AD5 AD9 AE1 AE4 AE8 AG4 AI4 AJ1 K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA1 KA3 KA4 KA8 KB1 KB3 KB8 KC1 KC2 KC3 KC4 KC9 KD0 KD2 KD4 KD9 KE1 KE3 KE8 KF3 KF6 KG2 KG3 KG4 KG8 KG9 KI0 KI1 KI4 KJ4 KM0 KM5 KN1 KN3 KN4 KO1 KO8 KQ2 KQ3 KQ8 KR4 KS4 KT3 KU1 KU2 KU8 KV5 KW2 KW3 KX4 KX9 KY5 N0 N1 N2 N3 N4 N5 N6 N7 N8 N9 NA0 NA3 NA4 NA8 NB3 NC4 ND1 ND4 NE0 NE2 NE3 NE9 NF1 NF8 NG7 NI5 NJ1 NJ4 NK1 NK7 NM1 NM5 NN2 NN3 NN4 NO3 NO9 NQ4 NQ7 NR4 NR7 NS8 NS9 NT5 NU2 NW2 NX2 NX5 NY4 NY6 W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA0 WA1 WA2 WA3 WA4 WA5 WA7 WA8 WB0 WB2 WB3 WB4 WB8 WC4 WD4 WD5 WD8 WE4 WF4 WG0 WG3 WG4 WG8 WG9 WI7 WI9 WJ2 WJ4 WM9 WO1 WO2 WO4 WQ5 WR2 WS7 WS9 WT9 WU6 WW3 WW8 WX1 WX3 WX4 WX9 | | 29 | OC | KH6 | Hawaii | 1 | 0.3 | KH6 | | 30 | NA | KP2 | U.S. Virgin Islands | 2 | 0.7 | KV4 NP2 | | 31 | SA | LU | Argentina | 1 | 0.3 | LO2 | | 32 | EU | LX | Luxembourg | 1 | 0.3 | LX7 | | 33 | EU | LY | Lithuania | 1 | 0.3 | LY2 | | 34 | EU | OE | Austria | 1 | 0.3 | OE6 | | 35 | EU | OH0 | Aland Islands | 1 | 0.3 | OH0 | | 36 | EU | OK | Czech Republic | 5 | 1.7 | OK1 OK5 OK7 OL0 OL7 | | 37 | EU | OM | Slovak Republic | 4 | 1.3 | OM0 OM2 OM6 OM7 | | 38 | EU | ON | Belgium | 1 | 0.3 | ON9 | | 39 | EU | PA | Netherlands | 4 | 1.3 | PA3 PA5 PC5 PI4 | | 40 | SA | PJ2 | Curacao | 1 | 0.3 | PJ2 | | 41 | SA | PY | Brazil | 2 | 0.7 | PS2 PY2 | | 42 | EU | S5 | Slovenia | 4 | 1.3 | S50 S52 S53 S57 | | 43 | EU | SM | Sweden | 1 | 0.3 | SK7 | | 44 | EU | SP | Poland | 3 | 1.0 | HF3 HF8 SN7 | | 45 | EU | SV | Greece | 1 | 0.3 | SX3 | | 46 | NA | V3 | Belize | 1 | 0.3 | V31 | | 47 | NA | VE | Canada | 11 | 3.7 | VA1 VA2 VA3 VE1 VE2 VE3 VE4 VE6 VE9 VO1 VY2 | | 48 | OC | VP6 | Pitcairn Island | 1 | 0.3 | VP6 | | 49 | NA | XE | Mexico | 2 | 0.7 | XE1 XE2 | | 50 | EU | YO | Romania | 1 | 0.3 | YO7 | | 51 | EU | YU | Serbia | 1 | 0.3 | YT8 |
|