The Area Codes of Indonesia:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Labuhan Batu | 0624 (+62624) |
| 2. | Lahat | 0731 (+62731) |
| 3. | Lamongan | 0322 (+62322) |
| 4. | Landak | 0563 (+62563) |
| 5. | Langkat (Pangkalan Brandan) | 0620 (+62620) |
| 6. | Langsa, East Aceh, Aceh Tamiang | 0641 (+62641) |
| 7. | Lebak | 0252 (+62252) |
| 8. | Lhokseumawe, North Aceh | 0645 (+62645) |
| 9. | Lingga | 0776 (+62776) |
| 10. | Lubuk Linggau, Musi Rawas | 0733 (+62733) |
| 11. | Lumajang | 0334 (+62334) |
| 12. | Luwu | 0471 (+62471) |