| Prefixes | # | Cont. | ID | Country | Prefixes |
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| 1 | NA | K | United States | 284 | 92.2 | AA0 AA1 AA2 AA3 AA4 AA5 AA6 AA7 AA8 AA9 AB0 AB2 AB3 AB4 AB5 AB8 AB9 AC0 AC1 AC4 AC5 AD0 AD1 AD3 AD4 AD8 AE0 AE1 AE5 AE6 AE7 AF4 AF5 AF6 AF8 AF9 AG4 AI2 AI3 AI6 AJ9 AK3 K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA0 KA1 KA2 KA3 KA4 KA6 KA8 KA9 KB0 KB1 KB2 KB3 KB4 KB5 KB7 KB8 KB9 KC1 KC4 KC5 KC7 KC9 KD2 KD4 KD5 KD6 KD8 KD9 KE0 KE2 KE3 KE4 KE5 KE8 KF2 KF6 KF7 KF8 KF9 KG0 KG3 KG4 KG5 KG6 KG7 KG9 KI0 KI4 KI5 KI6 KI7 KI9 KJ9 KK4 KK5 KK6 KK7 KK9 KM0 KM1 KM4 KM5 KM6 KM9 KN4 KN7 KO4 KO6 KO7 KR0 KR2 KR3 KR6 KS5 KS7 KT0 KT3 KT5 KT8 KU2 KU7 KU8 KU9 KV8 KW0 KW4 KW9 KX1 KY4 KY7 KZ5 KZ9 N0 N1 N2 N3 N4 N5 N6 N7 N8 N9 NA0 NA4 NA6 NA8 NB1 NB3 NC3 NC6 ND3 ND8 NE0 NE2 NE3 NE4 NE7 NE9 NF4 NF8 NG2 NG7 NI0 NI7 NJ1 NJ4 NJ8 NJ9 NM5 NN2 NN3 NN5 NN6 NN7 NO3 NO5 NR4 NR5 NS0 NS3 NS4 NT2 NU0 NU2 NU6 NW0 NW3 NW8 NX1 NX4 NX6 W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA0 WA1 WA2 WA3 WA4 WA5 WA6 WA7 WA8 WA9 WB0 WB2 WB3 WB4 WB5 WB6 WB7 WB8 WB9 WC5 WC6 WC7 WD0 WD1 WD5 WD8 WD9 WE6 WE8 WE9 WF3 WF6 WF7 WG0 WG9 WI2 WI9 WJ9 WM4 WN3 WN4 WN6 WN8 WN9 WO3 WO4 WO9 WQ2 WQ5 WQ6 WQ9 WR3 WR9 WS2 WS7 WT2 WT9 WU3 WU4 WU6 WW1 WW2 WW3 WW9 WX0 WX3 WX5 WX6 WY3 WY7 | | 2 | OC | KH6 | Hawaii | 2 | 0.6 | AH6 KH6 WH6 | | 3 | NA | KL | Alaska | 3 | 1.0 | AL1 KL2 KL7 | | 4 | NA | KP2 | US Virgin Islands | 1 | 0.3 | KP2 | | 5 | NA | KP4 | Puerto Rico | 3 | 1.0 | KP3 NP3 WP3 | | 6 | NA | VE | Canada | 15 | 4.9 | VA1 VA2 VA3 VA7 VE1 VE2 VE3 VE4 VE5 VE6 VE7 VE9 VO1 VY1 VY2 |
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