| Prefixes | # | Cont. | ID | Country | Prefixes |
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| 1 | NA | K | United States | 282 | 91.0 | AA1 AA2 AA3 AA4 AA5 AA6 AA7 AA8 AA9 AB1 AB2 AB3 AB5 AB7 AB9 AC0 AC2 AC4 AC5 AC6 AC8 AD0 AD1 AD5 AD7 AD8 AE1 AE3 AE4 AE5 AE6 AE7 AE9 AF4 AF5 AF6 AF7 AF8 AF9 AI3 AI4 AI5 AI6 AI7 AI9 AJ1 AJ9 AK3 K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA0 KA1 KA2 KA3 KA4 KA5 KA6 KA7 KA8 KB0 KB1 KB2 KB3 KB4 KB7 KB8 KB9 KC0 KC1 KC4 KC7 KC8 KC9 KD0 KD3 KD4 KD8 KD9 KE0 KE1 KE2 KE5 KE7 KE8 KE9 KF2 KF6 KF8 KG3 KG9 KI0 KI1 KI6 KI7 KI9 KJ4 KJ9 KK4 KK5 KK6 KK7 KK9 KL7 KM0 KM1 KM3 KM5 KM6 KM7 KM9 KN0 KN3 KN4 KN7 KO4 KO7 KQ6 KR7 KS0 KS4 KS7 KT0 KT4 KT8 KU2 KU6 KU7 KU8 KV1 KV8 KW4 KW7 KX1 KX2 KX6 KX7 KX9 KY4 KY7 KZ2 KZ5 N0 N1 N2 N3 N4 N5 N6 N7 N8 N9 NA0 NA1 NA4 NA5 NA8 NC3 NC4 NC6 ND2 ND8 NE0 NE3 NE8 NE9 NF4 NF7 NF8 NG6 NI6 NI7 NK3 NK6 NM2 NM5 NN2 NN3 NN4 NN6 NN7 NO3 NQ6 NR5 NR7 NS5 NS8 NT4 NT6 NT8 NU0 NU4 NU5 NU6 NU7 NW0 NX1 NX4 NX5 NX6 NY3 NY6 NZ6 NZ8 W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA0 WA1 WA2 WA3 WA4 WA5 WA6 WA7 WA8 WB0 WB2 WB3 WB4 WB7 WB8 WB9 WC6 WC7 WD0 WD4 WD5 WD8 WD9 WE5 WE6 WE8 WE9 WF3 WF7 WG0 WG3 WG5 WG9 WI3 WI7 WI9 WJ9 WK6 WN0 WN4 WN6 WO5 WQ2 WQ5 WR3 WR4 WS7 WT5 WT9 WU2 WU3 WV8 WW2 WW3 WW4 WX0 WX4 WX6 WX7 WX9 WY3 WZ2 | | 2 | OC | KH6 | Hawaii | 4 | 1.3 | KH6 KH7 WH6 WH7 | | 3 | NA | KL | Alaska | 5 | 1.6 | AL1 AL7 KL2 NL7 | | 4 | NA | KP2 | US Virgin Islands | 3 | 1.0 | KP2 NP2 WP2 | | 5 | NA | KP4 | Puerto Rico | 2 | 0.6 | KP4 NP3 | | 6 | NA | VE | Canada | 14 | 4.5 | VA2 VA3 VA7 VE1 VE2 VE3 VE4 VE5 VE6 VE7 VE9 VO1 VY1 VY2 |
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