Kalfjeslaan is een straat te Delft in de gemeente Delft en is gelegen in de Nederlandse provincie Zuid-Holland.
| Postcode | Huisnummers |
|---|---|
| 2623 AA | 2, 15, 17, 19, 21, 23, 25, 27, 29; |
| 2623 AB | 33, 35, 37, 39, 41, 43, 45, 47, 49, 51; |
| 2623 AC | 53, 55, 57, 59, 61, 65, 67, 69, 71, 73; |
| 2623 AD | 77, 79, 81, 83, 85, 87, 89, 95, 97, 99, 101, 103, 105, 107, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131, 133, 135; |
| 2623 AH | 10A, 10B, 12A, 12B, 14A, 14B, 16A, 16B, 18A, 18B, 20A, 20B, 22A, 22B, 24A, 24B, 24C, 24, 26, 28, 30, 30, 32, 34; |
| 2623 AJ | 36, 36, 38, 40, 42A, 42B, 42C, 42, 44, 46, 48A, 48B, 50A, 50B, 52A, 52B, 54A, 54B, 56A, 56B, 58A, 58B, 60A, 60B, 60, 66, 68, 70; |