| Area Code: 519 | ||||
|---|---|---|---|---|
| SL No. | City | State | Country | Postal Code |
| 1981 | Guelph | Ontario | Canada | N1E 3C5 |
| 1982 | Guelph | Ontario | Canada | N1E 3C6 |
| 1983 | Guelph | Ontario | Canada | N1E 3C7 |
| 1984 | Guelph | Ontario | Canada | N1E 3C8 |
| 1985 | Guelph | Ontario | Canada | N1E 3C9 |
| 1986 | Guelph | Ontario | Canada | N1E 3E1 |
| 1987 | Guelph | Ontario | Canada | N1E 3E2 |
| 1988 | Guelph | Ontario | Canada | N1E 3E3 |
| 1989 | Guelph | Ontario | Canada | N1E 3E4 |
| 1990 | Guelph | Ontario | Canada | N1E 3E5 |