Havixhorst is een straat te Alphen aan den Rijn in de gemeente Alphen aan den Rijn en is gelegen in de Nederlandse provincie Zuid-Holland.
| Postcode | Huisnummers |
|---|---|
| 2402 MK | 49, 51, 53A, 53, 47, 45, 43, 41, 39, 37, 35, 33, 31, 29, 27, 25, 23, 21, 19, 17, 15, 13, 11, 9, 7, 5, 3, 1; |
| 2402 ML | 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81; |
| 2402 MS | 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44; |
| 2402 MV | 116, 118, 120, 122, 124, 126, 128, 130, 132, 134, 136, 138, 140, 142, 144, 146, 148, 150, 152, 154, 156, 108, 110, 112, 114, 102, 104, 106; |
| 2402 MP | 163, 165, 167, 169, 171, 173, 175, 177, 179, 181, 183, 185, 187, 189, 191, 193, 153, 155, 157, 159, 125, 127, 129, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149, 151, 161; |
| 2402 MT | 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100; |
| 2402 MZ | 252, 254, 256, 258; |
| 2402 MR | 195, 197, 199, 201, 203, 205, 207, 209, 211, 213, 215, 217, 219, 221, 223, 225, 227, 229, 231, 233, 235, 237, 239, 241, 243, 245, 247; |
| 2402 MN | 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123; |
| 2402 MX | 158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180, 182, 184, 186, 188, 190, 192, 194, 196, 198; |