St. Nicolaasstraat is een straat te Simpelveld in de gemeente Simpelveld en is gelegen in de Nederlandse provincie Limburg.
| Postcode | Huisnummers |
|---|---|
| 6369 XM | 1, 3, 5, 7, 9, 11, 13, 15, 17a, 17b, 17c, 17, 19, 21, 23, 25, 27, 29, 31a, 31b, 31, 33, 35, 37, 39, 41, 43; |
| 6369 XN | 36, 34, 32, 30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 12c, 12b, 12a, 10, 8, 8c, 8a, 6, 4, 4a, 2; |