| Prefixes | # | Cont. | ID | Country | Prefixes |
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| 1 | AS | BY | China | 1 | 0.6 | BD0 | | 2 | AS | HL | Republic of Korea | 1 | 0.6 | 6K5 | | 3 | AS | JA | Japan | 2 | 1.2 | JA5 JH0 | | 4 | NA | K | United States | 146 | 90.1 | AA1 AA2 AA3 AA4 AA6 AA9 AB3 AB7 AC4 AC6 AD4 AF6 AF7 AG6 AI3 AI6 AK1 K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA1 KA6 KA7 KA9 KB3 KB7 KC3 KC4 KD2 KD3 KD5 KD6 KD7 KE4 KE7 KE8 KF2 KF6 KF7 KG4 KG7 KI0 KI1 KI6 KI7 KJ6 KJ9 KK6 KK7 KM6 KO7 KR4 KS5 KU7 KV0 KV1 KV2 KW3 KW6 KY2 KY7 N0 N1 N2 N3 N4 N5 N6 N7 N8 N9 NA3 NA6 NA8 NA9 NB1 NC6 NC7 ND8 NE7 NG0 NG7 NI7 NK3 NK7 NK8 NN3 NN4 NN7 NR3 NR4 NS3 NU6 NW3 NW6 NW8 NX1 NX3 W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA0 WA1 WA2 WA3 WA5 WA6 WA7 WA9 WB2 WB6 WB7 WC7 WE3 WE7 WE9 WF1 WF4 WJ2 WJ9 WK1 WN6 WO1 WQ6 WS7 WU6 WW1 WW2 WW7 WX1 WY3 WZ6 | | 5 | AS | UA9 | Asiatic Russia | 1 | 0.6 | RK0 | | 6 | NA | VE | Canada | 11 | 6.8 | VA2 VA3 VA7 VE1 VE2 VE3 VE4 VE5 VE6 VE7 VE9 |
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