Johan Gramstraat is een straat te 's-Gravenhage in de gemeente 's-Gravenhage en is gelegen in de Nederlandse provincie Zuid-Holland.
| Postcode | Huisnummers |
|---|---|
| 2522 WT | 41, 43, 45, 47, 41A, 39, 37, 37A, 35, 33, 33A, 31; |
| 2522 WV | 49, 51, 53A, 53, 55, 57, 59, 63, 65, 67, 69, 71, 73, 75, 77, 81, 83; |
| 2522 WX | 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117; |
| 2522 WS | 29, 29A, 27, 25, 25A, 23, 21, 21A, 19, 17, 15, 13, 11, 9, 7, 5; |
| 2522 XA | 30, 32, 34, 36A, 36, 38, 40A, 40B, 40, 42A, 42, 44, 46A, 46, 48, 50, 52; |
| 2522 XB | 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90; |
| 2522 WZ | 2A, 2, 4, 6A, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28; |
| 2522 XC | 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124; |