| Area Code: 519 | ||||
|---|---|---|---|---|
| SL No. | City | State | Country | Postal Code |
| 1911 | Guelph | Ontario | Canada | N1E 2T4 |
| 1912 | Guelph | Ontario | Canada | N1E 2T5 |
| 1913 | Guelph | Ontario | Canada | N1E 2T6 |
| 1914 | Guelph | Ontario | Canada | N1E 2T7 |
| 1915 | Guelph | Ontario | Canada | N1E 2T8 |
| 1916 | Guelph | Ontario | Canada | N1E 2T9 |
| 1917 | Guelph | Ontario | Canada | N1E 2V1 |
| 1918 | Guelph | Ontario | Canada | N1E 2V2 |
| 1919 | Guelph | Ontario | Canada | N1E 2V3 |
| 1920 | Guelph | Ontario | Canada | N1E 2V4 |