Area Codes United Kingdom The Area Codes of United Kingdom: City/Town or Region Area code 1. Ladybank 01337 (+441337) 2. Laggan 01528 (+441528) 3. Lairg 01549 (+441549) 4. Lampeter 01570 (+441570) 5. Lanark 01555 (+441555) 6. Lancaster 01524 (+441524) 7. Langholm 013873 (+4413873) 8. Lapworth 01564 (+441564) 9. Larne (Northern Ireland) 02828 (+442828) 10. Lauder 01578 (+441578) 11. Launceston 01566 (+441566) 12. Laurencekirk 01561 (+441561) 13. Lea Valley 01992 (+441992) 14. Ledbury 01531 (+441531) 15. Leeds 0113 (+44113) 16. Leicester 0116 (+44116) 17. Leighton Buzzard 01525 (+441525) 18. Leominster 01568 (+441568) 19. Lerwick, Foula and Fair Isle 01595 (+441595) 20. Leyburn 01969 (+441969) 21. Limavady (Northern Ireland) 02877 (+442877) 22. Lincoln 01522 (+441522) 23. Lisburn (Northern Ireland) 02892 (+442892) 24. Liskeard 01579 (+441579) 25. Lisnaskea (Northern Ireland) 02867 (+442867) 26. Liverpool 0151 (+44151) 27. Llanarth 01545 (+441545) 28. Llandeilo 01558 (+441558) 29. Llandovery 01550 (+441550) 30. Llandrindod Wells 01597 (+441597) 31. Llandysul 01559 (+441559) 32. Llanelli 01554 (+441554) 33. Llanidloes and Newtown 01686 (+441686) 34. Llanon 01974 (+441974) 35. Llanwrtyd Wells 01591 (+441591) 36. Lochboisdale 01878 (+441878) 37. Lochcarron 01520 (+441520) 38. Lochgilphead 01546 (+441546) 39. Lochinver 01571 (+441571) 40. Lochmaddy 01876 (+441876) 41. Lockerbie 01576 (+441576) 42. London 020 (+4420) 43. Londonderry (Northern Ireland) 02871 (+442871) 44. Looe 01503 (+441503) 45. Loughborough 01509 (+441509) 46. Lowestoft 01502 (+441502) 47. Ludlow 01584 (+441584) 48. Luton 01582 (+441582) 49. Lybster 01593 (+441593) 50. Lydney 01594 (+441594) 51. Lymington 01590 (+441590) 52. Lynton 01598 (+441598)