Oostersingel is een straat te Schagen in de gemeente Schagen en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 1741 MP | 1, 13, 15, 17, 19, 21, 23, 25, 27, 29; |
| 1741 MR | 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48; |