| Prefixes | # | Cont. | ID | Country | Prefixes |
|---|
| 1 | NA | C6 | Bahamas | 1 | 0.5 | C6 | | 2 | NA | CM | Cuba | 1 | 0.5 | CO2 | | 3 | AF | CT3 | Madeira Islands | 1 | 0.5 | CT9 | | 4 | NA | K | United States | 163 | 88.6 | AA1 AA3 AA4 AA5 AA9 AB2 AB3 AB5 AB9 AC0 AC4 AC5 AC8 AC9 AD4 AD8 AE0 AF0 AG9 AI9 AJ6 AK0 K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA2 KA3 KA4 KA5 KA7 KA8 KA9 KB0 KB7 KB8 KB9 KC4 KD2 KE0 KE4 KE5 KF8 KF9 KG4 KG5 KG7 KG8 KG9 KI0 KI8 KI9 KJ9 KK0 KK1 KK9 KM4 KM5 KO4 KR2 KR4 KR9 KS0 KS9 KT0 KU8 KV0 KV1 KV3 KW0 KW9 KX4 KX9 KY4 KZ5 N0 N1 N2 N3 N4 N5 N6 N7 N8 N9 NA5 NA7 NA8 NB3 NC0 NC3 ND4 ND9 NE0 NE9 NF3 NF8 NG0 NG7 NI0 NJ8 NK8 NM2 NN3 NN4 NO3 NO9 NQ6 NR0 NR4 NT6 NX3 NX6 NY0 NY3 NZ0 NZ9 W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA0 WA1 WA2 WA3 WA4 WA5 WA8 WA9 WB0 WB3 WB4 WB5 WB8 WB9 WD0 WD5 WD8 WE9 WF7 WG0 WJ2 WJ9 WO1 WQ5 WS2 WS9 WT9 WW5 WX4 WY3 | | 5 | NA | KP2 | US Virgin Islands | 2 | 1.1 | KP2 NP2 | | 6 | NA | KP4 | Puerto Rico | 1 | 0.5 | WP3 | | 7 | EU | OM | Slovak Republic | 1 | 0.5 | OM5 | | 8 | NA | TI | Costa Rica | 1 | 0.5 | TI7 | | 9 | NA | V3 | Belize | 1 | 0.5 | V31 | | 10 | NA | VE | Canada | 9 | 4.9 | VA2 VA3 VA5 VE1 VE3 VE4 VE5 VE6 VY2 | | 11 | NA | XE | Mexico | 1 | 0.5 | XE2 | | 12 | NA | ZF | Cayman Islands | 2 | 1.1 | ZF2 ZF5 |
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