Willemstraat is een straat te Heerlen in de gemeente Heerlen en is gelegen in de Nederlandse provincie Limburg.
| Postcode | Huisnummers |
|---|---|
| 6412 AN | 55A, 55, 57, 59, 61A, 61B, 61, 63, 67, 69; |
| 6412 AT | 88, 86, 84, 82, 80, 78, 76, 76E, 76D, 76C, 76B, 76A, 74, 72, 70, 68, 66, 64, 64 BG02, 64C, 64B, 64A, 62, 60; |
| 6411 KX | 1, 23, 27A, 27B, 27C, 27, 29, 31A, 31, 5, 7, 9, 11A, 11B, 11C, 11D, 11E, 11F, 11G, 11H, 11, 13, 15A, 15B, 15C, 17A, 17B, 17C, 17D, 17E, 17, 19, 21; |
| 6412 AP | 83A, 83, 85, 91A, 91B, 91C, 91, 93A, 93, 95A, 95, 97, 99; |
| 6412 AR | 117A, 117B, 117, 119, 123A, 123B, 123C, 123, 101, 103, 105, 107A, 107B, 107C, 107D, 107, 109, 111A, 111, 113, 115A, 115B, 115; |
| 6411 KZ | 2; |
| 6412 AS | 32A, 32, 34A, 34B, 34, 34, 36A, 36B, 36, 36, 36, 36, 36, 38A, 38B, 38C, 38D, 38, 40, 40, 40, 42, 44, 46A, 46B, 46, 48, 50A, 50B, 50C, 50D, 50, 52, 54, 56A, 56B, 56, 58; |