Jan Altinkweg is een straat te Winsum in de gemeente Winsum en is gelegen in de Nederlandse provincie Groningen.
| Postcode | Huisnummers |
|---|---|
| 9951 MH | 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 19, 17, 15, 13, 11, 9, 7, 5, 3, 1; |
| 9951 MG | 34, 32, 30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10, 8; |