Oude Postweg is een straat te Austerlitz in de gemeente Zeist en is gelegen in de Nederlandse provincie Utrecht.
| Postcode | Huisnummers |
|---|---|
| 3711 AD | 87, 91, 97, 99, 103, 105, 85, 83, 81, 75, 71, 65, 63; |
| 3711 AE | 109, 111, 113, 121, 123, 127, 129, 133, 137, 139, 141, 145, 147, 149, 153, 155, 159, 161; |
| 3711 AC | 61, 59, 55, 53, 51, 49, 47, 45, 43, 41, 39, 37, 31, 31A, 11, 5, 1; |
| 3711 AH | 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 30, 34, 36, 38, 40; |
| 3711 AJ | 44, 46, 50, 52, 54, 56, 58, 58, 60, 62; |
| 3711 AK | 64, 66, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 112; |
| 3711 AG | 163, 165, 167, 169, 171, 173, 175, 177, 179, 181, 185, 187A, 187, 189, 191, 193, 195A, 195, 205, 207, 209, 211, 213, 215; |
| 3711 AL | 160, 162, 114, 116, 118, 122A, 122, 130, 136, 138, 144, 150, 154, 156, 158; |
| 3711 AM | 164, 166, 168, 170, 172, 174, 176, 178, 180; |
| 3711 AN | 184, 186, 188, 190, 192, 194, 196, 198, 200, 202, 204, 206, 208, 210, 212, 214, 216, 218; |
| 3711 AP | 220, 222, 224, 226, 232, 234, 236, 238; |