| Urbánkova | 040 01 | Postcode Urbankova (street) » Kosice » Slovakia |  |
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| Urbánkova | 949 01 | Postcode Urbankova (street) » Nitra » Slovakia | | |
| Urbánkova | 080 01 | Postcode Urbankova (street) » Presov » Slovakia | | |
| Urbárska | 851 10 | Postcode Urbarska (street) » Bratislava » Slovakia | | |
| Urmince | 956 02 | Postcode Urmince » Topolcany » Slovakia | | |
| Ursínyho | 831 02 | Postcode Ursinyho (street) » Bratislava » Slovakia | | |
| Urxova | 080 05 | Postcode Urxova (street) » Presov » Slovakia | | |
| Uránová | 821 02 | Postcode Uranova (street) » Bratislava » Slovakia | | |
| Uršulinská | 040 01 | Postcode Ursulinska (street) » Kosice » Slovakia | | |
| Uršulínska | 811 01 | Postcode Ursulinska (street) » Bratislava » Slovakia | | |
| Utekáč | 985 06 | Postcode Utekac » Poltar » Slovakia | | |
| Uzbecká | 821 07 | Postcode Uzbecka (street) » Bratislava » Slovakia | | |
| Uzovce | 082 66 | Postcode Uzovce » Sabinov » Slovakia | | |
| Uzovská Panica | 980 22 | Postcode Uzovska Panica » Rimavska Sobota » Slovakia | | |
| Uzovské Pekľany | 082 63 | Postcode Uzovske Peklany » Sabinov » Slovakia | | |
| Uzovský Šalgov | 082 61 | Postcode Uzovsky Salgov » Sabinov » Slovakia | | |
| Učiteľská | 969 01 | Postcode Ucitelska (street) » Banska Stiavnica » Slovakia | | |
| Učiteľská | 821 06 | Postcode Ucitelska (street) » Bratislava » Slovakia | | |
| Uľanka | 974 01 | Postcode Ulanka » Banska Bystrica » Slovakia | | |
| Uľanská cesta | 974 01 | Postcode Ulanska cesta (street) » Banska Bystrica » Slovakia | | |
| Uňatín | 962 41 | Postcode Unatin » Krupina » Slovakia | | |
| Ušiakova | 841 01 | Postcode Usiakova (street) » Bratislava » Slovakia | | |
| Užhorodská | 040 11 | Postcode Uzhorodska (street) » Kosice » Slovakia | | |
| ul.SNP | 031 01 | Postcode ul.SNP (street) » Liptovsky Mikulas » Slovakia | | |
| Úbrež | 072 42 | Postcode Ubrez » Sobrance » Slovakia | | |
