Westersingel is een straat te Appingedam in de gemeente Appingedam en is gelegen in de Nederlandse provincie Groningen.
| Postcode | Huisnummers |
|---|---|
| 9901 GG | 1, 3, 5, 11, 13, 15, 17, 21, 23, 27, 29, 31, 33, 35, 39, 43, 45, 47, 49; |
| 9901 GH | 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32; |
| 9901 GJ | 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56A, 56b, 56c, 56d, 56 001, 56 002, 56 003, 56 004, 56 101, 56 102, 56 103, 56 104, 56 105, 56 201, 56 202, 56 203, 56 204, 56 205, 56, 58, 60, 62, 64, 66a, 66b, 66c, 66d, 66e, 66f, 66g, 66h, 66, 68a, 68b, 68c, 68d, 68e, 68f, 68g, 68h, 68, 70a, 70b, 70c, 70d, 70e, 70; |
| 9901 GK | 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 98, 104, 106; |