Bastion is een straat te Zevenaar in de gemeente Zevenaar en is gelegen in de Nederlandse provincie Gelderland.
| Postcode | Huisnummers |
|---|---|
| 6901 NW | 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 28, 26, 24, 22; |
| 6901 NS | 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 1; |
| 6901 NX | 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116; |
| 6901 NT | 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57; |
| 6901 NZ | 138, 136, 134, 132, 130, 128, 126, 124, 122, 122A, 120, 118; |
| 6901 NV | 16, 14, 12, 10, 8, 6, 4, 2; |