Klopsteen is een straat te 's-Gravenhage in de gemeente 's-Gravenhage en is gelegen in de Nederlandse provincie Zuid-Holland.
| Postcode | Huisnummers |
|---|---|
| 2496 SM | 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 26, 24, 22, 20, 18, 16, 10, 8; |
| 2496 SL | 41, 39, 37, 35, 33, 31, 29, 27, 25, 23, 21, 19, 17, 15, 11, 9; |