| Sitnianska | 949 01 | Postcode Sitnianska (street) » Nitra » Slovakia |  |
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| Sitnianska Lehôtka | 962 65 | Postcode Sitnianska Lehotka » Krupina » Slovakia | | |
| Sitník | 091 01 | Postcode Sitnik » Stropkov » Slovakia | | |
| Sivá | 010 03 | Postcode Siva (street) » Zilina » Slovakia | | |
| Siváčkovia | 907 01 | Postcode Sivackovia (street) » Myjava » Slovakia | | |
| Skala | 913 31 | Postcode Skala » Trencin » Slovakia | | |
| Skalica | 909 01 | Postcode Skalica » Slovakia | | |
| Skalica | 909 01 | Postcode Skalica » Skalica » Slovakia | | |
| Skalica | 976 81 | Postcode Skalica » Brezno » Slovakia | | |
| Skalická cesta | 831 02 | Postcode Skalicka cesta (street) » Bratislava » Slovakia | | |
| Skalité | 023 14 | Postcode Skalite » Cadca » Slovakia | | |
| Skalka nad Váhom | 913 31 | Postcode Skalka nad Vahom » Trencin » Slovakia | | |
| Skalná | 811 01 | Postcode Skalna (street) » Bratislava » Slovakia | | |
| Skalná | 945 01 | Postcode Skalna (street) » Komarno » Slovakia | | |
| Skalná | 040 01 | Postcode Skalna (street) » Kosice » Slovakia | | |
| Skalná | 949 01 | Postcode Skalna (street) » Nitra » Slovakia | | |
| Skalná | 034 03 | Postcode Skalna (street) » Ruzomberok » Slovakia | | |
| Skalný rad | 934 01 | Postcode Skalny rad (street) » Levice » Slovakia | | |
| Skalská Nová Ves | 913 31 | Postcode Skalska Nova Ves » Trencin » Slovakia | | |
| Skautská | 040 01 | Postcode Skautska (street) » Kosice » Slovakia | | |
| Skautská | 949 01 | Postcode Skautska (street) » Nitra » Slovakia | | |
| Skačany | 958 53 | Postcode Skacany » Partizanske » Slovakia | | |
| Skerešovo | 982 62 | Postcode Skeresovo » Revuca » Slovakia | | |
| Skerličova | 841 03 | Postcode Skerlicova (street) » Bratislava » Slovakia | | |
| Sklabinská | 831 06 | Postcode Sklabinska (street) » Bratislava » Slovakia | | |
