| Kúty | 080 01 | Postcode Kuty (street) » Presov » Slovakia |  |
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| Kúty | 911 01 | Postcode Kuty (street) » Trencin » Slovakia | | |
| Kýčer | 907 03 | Postcode Kycer (street) » Myjava » Slovakia | | |
| Kýčerka | 022 04 | Postcode Kycerka » Cadca » Slovakia | | |
| Kýčerského | 811 05 | Postcode Kycerskeho (street) » Bratislava » Slovakia | | |
| Kĺzavá | 831 01 | Postcode Klzava (street) » Bratislava » Slovakia | | |
| Kľak | 966 77 | Postcode Klak » Zarnovica » Slovakia | | |
| Kľačany | 920 64 | Postcode Klacany » Hlohovec » Slovakia | | |
| Kľačany | 956 02 | Postcode Klacany » Topolcany » Slovakia | | |
| Kľačany | 966 11 | Postcode Klacany » Ziar nad Hronom » Slovakia | | |
| Kľače | 013 19 | Postcode Klace » Zilina » Slovakia | | |
| Kľačianska | 934 01 | Postcode Klacianska (street) » Levice » Slovakia | | |
| Kľačno | 034 01 | Postcode Klacno » Ruzomberok » Slovakia | | |
| Kľačno | 972 15 | Postcode Klacno » Prievidza » Slovakia | | |
| Kľačno | 034 01 | Postcode Klacno (street) » Ruzomberok » Slovakia | | |
| Kľukatá | 821 05 | Postcode Klukata (street) » Bratislava » Slovakia | | |
| Kľučiareň | 925 71 | Postcode Kluciaren » Sala » Slovakia | | |
| Kľušov | 086 22 | Postcode Klusov » Bardejov » Slovakia | | |
| Kľušovská Zábava | 086 22 | Postcode Klusovska Zabava » Bardejov » Slovakia | | |
| Kľúčiarove Kračany | 930 03 | Postcode Kluciarove Kracany » Dunajska Streda » Slovakia | | |
| Kľúčovec | 930 07 | Postcode Klucovec » Dunajska Streda » Slovakia | | |
| Kľúčovského | 949 01 | Postcode Klucovskeho (street) » Nitra » Slovakia | | |
| Kľúčové | 914 41 | Postcode Klucove » Trencin » Slovakia | | |
| Kňažia | 026 01 | Postcode Knazia » Dolny Kubin » Slovakia | | |
| Kšinná | 956 41 | Postcode Ksinna » Banovce nad Bebravou » Slovakia | | |
