| Prefixes | # | Cont. | ID | Country | Prefixes |
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| 1 | AF | 7Q | Malawi | 1 | 0.3 | 7Q6 | | 2 | NA | 8P | Barbados | 1 | 0.3 | 8P5 | | 3 | NA | HH | Haiti | 1 | 0.3 | HH2 | | 4 | NA | K | United States | 272 | 90.1 | 4U1 AA0 AA2 AA3 AA4 AA6 AA9 AB0 AB1 AB4 AB5 AB7 AC0 AC2 AC4 AC5 AC6 AC7 AC9 AD1 AD4 AD5 AD8 AE0 AE6 AF0 AF4 AF9 AG9 AH2 AI0 AI1 AI6 AI7 AI8 AJ4 AJ9 AK1 AK6 K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA0 KA1 KA2 KA3 KA4 KA6 KA7 KA9 KB0 KB1 KB2 KB3 KB4 KB6 KB7 KB8 KB9 KC0 KC1 KC2 KC3 KC4 KC8 KC9 KD0 KD2 KD3 KD4 KD5 KD6 KD7 KD8 KD9 KE0 KE2 KE4 KE6 KE7 KE8 KE9 KF0 KF5 KF6 KF7 KG4 KG5 KG6 KG7 KG8 KG9 KH7 KI0 KI1 KI4 KI5 KI7 KI9 KJ4 KJ5 KJ6 KJ7 KJ9 KK0 KK1 KK4 KK6 KK7 KK9 KM4 KM5 KM6 KM7 KM9 KN3 KN4 KN5 KN6 KN8 KO4 KO6 KO8 KQ4 KR4 KS2 KS4 KT0 KT3 KU7 KV0 KV3 KV9 KW3 KW4 KW5 KW8 KX1 KX4 KY0 KY4 KY7 KZ3 KZ4 N0 N1 N2 N3 N4 N5 N6 N7 N8 N9 NA6 NA9 NC1 NC3 NC8 ND0 ND4 ND7 ND8 NE1 NE4 NE8 NF3 NG0 NG1 NG2 NG3 NI1 NI3 NI6 NI9 NJ4 NJ7 NJ8 NJ9 NK4 NK7 NN2 NN3 NN6 NN7 NR4 NR7 NS0 NS3 NS4 NS7 NT5 NU3 NV3 NW0 NW2 NX6 NY4 NZ2 W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA1 WA2 WA3 WA4 WA5 WA7 WA8 WA9 WB0 WB2 WB4 WB5 WB6 WB7 WB8 WB9 WC6 WC7 WD0 WD5 WD6 WD9 WE8 WE9 WF7 WF8 WI3 WI7 WJ0 WJ9 WK1 WK4 WK7 WM1 WN3 WN4 WN7 WN9 WO2 WO3 WO4 WQ6 WR2 WR3 WS7 WT2 WT9 WU7 WW4 WW5 WW8 WX1 WX3 WY3 WY7 WZ0 | | 5 | OC | KH6 | Hawaii | 2 | 0.7 | KH6 WH7 | | 6 | NA | KL | Alaska | 3 | 1.0 | AL7 KL1 KL7 | | 7 | NA | KP2 | US Virgin Islands | 1 | 0.3 | KP2 | | 8 | NA | KP4 | Puerto Rico | 2 | 0.7 | NP3 WP3 | | 9 | SA | PY | Brazil | 1 | 0.3 | PY3 | | 10 | NA | TI | Costa Rica | 2 | 0.7 | TI2 TI3 | | 11 | NA | V3 | Belize | 1 | 0.3 | V31 | | 12 | NA | VE | Canada | 14 | 4.6 | VA1 VA2 VA3 VA6 VA7 VE2 VE3 VE4 VE5 VE6 VE7 VE9 VO1 VY2 | | 13 | NA | ZF | Cayman Islands | 1 | 0.3 | ZF2 |
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