The Area Codes of United Kingdom: City/Town or RegionArea code 1.Keighley01535 (+441535) 2.Keith01542 (+441542) 3.Kelso01573 (+441573) 4.Kendal01539 (+441539) 5.Kesh (Northern Ireland)02868 (+442868) 6.Keswick017687 (+4417687) 7.Kettering01536 (+441536) 8.Kidderminster01562 (+441562) 9.Kilchrenan01866 (+441866) 10.Killearn01360 (+441360) 11.Killin01567 (+441567) 12.Killingholme01469 (+441469) 13.Kilmarnock01563 (+441563) 14.Kilmelford01852 (+441852) 15.Kilrea (Northern Ireland)02829 (+442829) 16.King's Lynn01553 (+441553) 17.Kingsbridge01548 (+441548) 18.Kington01544 (+441544) 19.Kingussie01540 (+441540) 20.Kinloch Rannoch01882 (+441882) 21.Kinross01577 (+441577) 22.Kinrossie01821 (+441821) 23.Kircubbin (Northern Ireland)02842 (+442842) 24.Kirkcaldy01592 (+441592) 25.Kirkcudbright01557 (+441557) 26.Kirkwhelpington01830 (+441830) 27.Kirriemuir01575 (+441575) 28.Knighton01547 (+441547) 29.Knutsford01565 (+441565) 30.Kyle01599 (+441599)