The Area Codes of Sweden:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Kalix | 0923 (+46923) |
| 2. | Kalmar | 0480 (+46480) |
| 3. | Karlholmsbruk-Skärplinge | 0294 (+46294) |
| 4. | Karlsborg | 0505 (+46505) |
| 5. | Karlshamn-Olofström | 0454 (+46454) |
| 6. | Karlskoga-Degerfors | 0586 (+46586) |
| 7. | Karlskrona | 0455 (+46455) |
| 8. | Karlstad | 054 (+4654) |
| 9. | Katrineholm | 0150 (+46150) |
| 10. | Kil | 0554 (+46554) |
| 11. | Kinna | 0320 (+46320) |
| 12. | Kiruna | 0980 (+46980) |
| 13. | Kisa | 0494 (+46494) |
| 14. | Klippan-Perstorp | 0435 (+46435) |
| 15. | Köping | 0221 (+46221) |
| 16. | Kopparberg | 0580 (+46580) |
| 17. | Korpilombolo | 0977 (+46977) |
| 18. | Kramfors | 0612 (+46612) |
| 19. | Kristianstad | 044 (+4644) |
| 20. | Kristinehamn | 0550 (+46550) |
| 21. | Krokom | 0640 (+46640) |
| 22. | Kungälv | 0303 (+46303) |
| 23. | Kungsbacka | 0300 (+46300) |
| 24. | Kungsör | 0227 (+46227) |