Oude Singel is een straat te Oudewater in de gemeente Oudewater en is gelegen in de Nederlandse provincie Utrecht.
| Postcode | Huisnummers |
|---|---|
| 3421 ED | 11 7, 11 8, 11 9, 13, 15, 17, 19, 11 6, 11 5, 11 4, 11 3, 11 28, 11 27, 11 26, 11 25, 11 24, 11 23, 11 22, 11 21, 11 2, 11 14, 11 13, 11 12, 11 11, 11 10, 11 1, 9, 7, 5, 3, 1, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47; |
| 3421 EE | 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 2A, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20; |
| 3421 EG | 42, 44, 46, 48, 50, 52, 54, 56A, 56B, 56C, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90; |