Nieuwe Steeg is een straat te Leersum in de gemeente Utrechtse Heuvelrug en is gelegen in de Nederlandse provincie Utrecht.
| Postcode | Huisnummers |
|---|---|
| 3956 RA | 33, 35, 37, 39, 41, 43, 45, 47, 49, 53, 55, 31, 29, 27, 25, 23, 21, 19, 17, 15, 1; |
| 3956 RB | 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79; |
| 3956 RD | 2v, 2, 4a, 4, 6, 8a, 8, 10, 12, 14a, 14b, 14, 16a, 16, 18a, 18, 20, 22, 24, 26, 28, 30r 1, 30r 2, 30r 3, 30r 4; |
| 3956 RC | 97, 95, 93, 91, 89, 87, 85, 83, 81, 105a, 103, 103a, 101, 99; |