Diaconiestraat is een straat te Den Helder in de gemeente Den Helder en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 1781 GX | 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 17, 15, 13, 11; |
| 1781 GZ | 46, 44, 42, 40, 38, 36, 34, 32, 30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10, 8; |