Oude Haarlemmerweg is een straat te Castricum in de gemeente Castricum en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 1901 ND | 43, 45, 47, 48, 49, 50, 51, 52, 53, 55, 57, 61, 63, 65a, 65, 67, 69a, 69, 71, 73, 75, 77a, 77, 79, 81; |
| 1901 NB | 39, 41, 37, 35, 33, 31, 29, 27, 25, 23, 21, 19, 17, 17b, 17a, 15, 13, 11, 9, 7, 7a, 5, 5a, 3, 1, 1b; |
| 1901 NC | 6, 8, 10a, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46a, 46b, 46c, 46; |