Graaf Willemlaan is een straat te Monnickendam in de gemeente Waterland en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 1141 XB | 49, 51, 53, 55, 57, 59, 61, 63, 65, 47, 45, 43, 41, 39, 37, 35, 33, 31, 29, 27; |
| 1141 XC | 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 95, 97, 99; |
| 1141 XD | 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127; |
| 1141 XA | 25, 23, 21, 19, 17, 15, 13, 11, 9, 7, 5, 3, 1; |
| 1141 XE | 129, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149; |
| 1141 XG | 151, 153, 155, 157, 159, 161, 169, 171, 173; |
| 1141 XH | 185, 187, 189, 191, 193, 195, 197, 199, 201, 203, 205, 207, 209, 211; |
| 1141 XJ | 221, 223, 225, 227, 229, 231, 233, 235, 237, 239; |
| 1141 XK | 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22; |
| 1141 XL | 24, 26A, 26B, 26C, 28A, 28B, 28C, 30, 32, 34, 36, 38, 40, 42; |
| 1141 XM | 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74; |