| Prefixes # | Cont. | ID | Country | Prefixes |
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1 | NA | K | United States | 67 | 90.5 | AA3 AA5 AA7 AB0 AB9 AC0 AC6 AD6 AE6 AG9 AJ1 AJ6 K0 K1 K3 K4 K5 K6 K7 K8 K9 KC2 KG9 KI7 KJ9 KM7 KT0 KU5 KU8 KW8 KY0 KZ5 N0 N2 N3 N4 N5 N6 N7 N8 N9 NA0 NA5 NA8 ND8 NF8 NF9 NG7 NK4 NN1 NO3 W0 W1 W2 W3 W4 W6 W7 W8 W9 WA6 WD0 WD6 WI9 WJ9 WQ5 WS7 | 2 | OC | KH6 | Hawaii | 2 | 2.7 | KH6 WH7 | 3 | NA | KL | Alaska | 1 | 1.4 | KL2 | 4 | NA | KP2 | US Virgin Islands | 2 | 2.7 | KP2 NP2 | 5 | NA | VE | Canada | 2 | 2.7 | VA7 VE3 |
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