| 1L callsign | assigned to | Country | Validity |
|---|---|---|---|
| 1L0AJS | N0ASX | United States | Valid |
| 1L0AX | PY1AX | Brazil | Valid |
| 1L0CX | CX1FU | Uruguay | Expired |
| 1L0EX | YO6EX | Romania | Valid |
| 1L0GNS | TA3MTO | Turkey | Valid |
| 1L0H | N1HEN | United States | Valid |
| 1L0HQ | (LARA org.) | Liberland | Valid |
| 1L0JM | SQ7HJI | Poland | Valid |
| 1L0LIB | HB9TGK | Switzerland | Valid |
| 1L0NC | YU2NPC | Serbia | Valid |
| 1L0ORE | YU7ORE | Serbia | Valid |
| 1L0SWW | M7SWW | United Kingdom | Valid |
| 1L0T | S21OT | Bangladesh | Valid |
| 1L0TA | TA3AOR | Turkey | Valid |
| 1L0VAA | YU1VAA | Serbia | Valid |
| 1L0VD | S50VD | Slovenia | Valid |
| 1L0VE | VA3ITA | Canada | Valid |
| 1L0VSR | VR2VSR | Hong Kong | Valid |
| 1L0WN | 4X5WN | Israel | Valid |
| 1L0X | IZ4AKS | Italy | Valid |
| 1L0YTL | VR2YTL | Hong Kong | Valid |
| 1L1A | S51SL | Slovenia | Valid |
| 1L1AJR | LU1AJR | Argentina | Valid |
| 1L1ASQ | UB1ASQ | Russia | Valid |
| 1L1BRT | N7GKZ | United States | Valid |
| 1L1CBF | R1CBF | Russia | Valid |
| 1L1CBG | IW1CBG | Italy | Valid |
| 1L1DVM | N1DVM | United States | Valid |
| 1L1DX | SQ9DXF | Poland | Valid |
| 1L1EO | W1SSS | United States | Valid |
| 1L1J | ES1ZB | Estonia | Valid |
| 1L1KX | DF5KX | Germany | Valid |
| 1L1L | (LARA org.) | Liberland | Valid |
| 1L1NO | S21NO | Bangladesh | Expired |
| 1L1PWK | DE1PWK | Germany | Valid |
| 1L1QR | JJ1DQR | Japan | Valid |
| 1L1R | N1WVQ | United States | Valid |
| 1L1RW | NA1O | United States | Valid |
| 1L1SPB | R1BIN | Russia | Valid |
| 1L1TOB | K7TOB | United States | Valid |
| 1L1XXX | R1BMP | Russia | Valid |
| 1L2ECG | OH2ECG | Finland | Valid |
| 1L2FNR | OH2FNR | Finland | Valid |
| 1L2IGX | IU2IGX | Italy | Valid |
| 1L2MBK | TB2MBK | Turkey | Valid |
| 1L2OE | S210E | Bangladesh | Expired |
| 1L2ZZZ | YU1ZH | Serbia | Valid |
| 1L3ATA | TA3ATA | Turkey | Valid |
| 1L3B | OH3BDS | Finland | Valid |
| 1L3DS | UB3ZHU | Russia | Valid |
| 1L3GTL | OH3GTL | Finland | Valid |
| 1L3R | K3UJ | United States | Valid |
| 1L3TMM | IV3TMM | Italy | Valid |
| 1L4FNL | 9Z4FNL | Trinidad and Tobago | Valid |
| 1L4IPN | YU4IPN | Serbia | Valid |
| 1L4K | S53SL | Slovenia | Valid |
| 1L4RH | JH4RHF | Japan | Valid |
| 1L4U | S54UNC | Slovenia | Valid |
| 1L4VQJ | 7M4VQJ | Japan | Valid |
| 1L5DSG | YO5DSG | Romania | Valid |
| 1L5E | VR2VVR | Hong Kong | Valid |
| 1L5ML | S57NKN | Slovenia | Valid |
| 1L5X | HA5XA | Hungary | Valid |
| 1L6L | KN6CHI | United States | Valid |
| 1L6R | K6IRK | United States | Valid |
| 1L6Y | GM6PZY | United Kingdom | Valid |
| 1L7A | LA7IJA | Norway | Valid |
| 1L7USA | NW7US | United States | Valid |
| 1L7X | KD7DVD | United States | Valid |
| 1L8B | BI8CKU | China | Valid |
| 1L8DX | PB8DX | Netherlands | Valid |
| 1L8I | YU4IIM | Serbia | Valid |
| 1L8RZE | YO8RZE | Romania | Expired |
| 1L9ELV | HB9ELV | Switzerland | Valid |
| 1L9F | ON9EEE | Belgium | Valid |