Kode Area di Ontario
| Kode Area▲ | Kota↕ | Daerah Administratif↕ | Populasi Kota↕ | Negara/Wilayah | Zona Waktu |
|---|---|---|---|---|---|
| 416 | Toronto | Ontario | 2,600,000 | Kanada | America/Toronto |
| 450 | — | Quebec | 7,730,612 | Kanada | America/Montreal |
| 519 | — | Ontario | 12,861,940 | Kanada | America/Toronto |
| 613 | Ottawa | Ontario | 812,129 | Kanada | America/Toronto |
| 705 | — | Ontario | 12,861,940 | Kanada | America/Toronto |
| 780 | Edmonton | Alberta | 712,391 | Kanada | America/Edmonton |
| 807 | Thunder Bay | Ontario | 99,334 | Kanada | America/Thunder_Bay |
| 905 | — | Ontario | 12,861,940 | Kanada | America/Toronto |