Netnummers in Dundas
| Netnummer▲ | Stad↕ | Bestuursregio↕ | Inwonersaantal stad↕ | Land/regio | Tijdzone |
|---|
| 780 | Edmonton | Alberta | 712,391 | Canada | America/Edmonton |
| 905 | — | Ontario | 12,861,940 | Canada | America/Toronto |
Steden vlakbij
| Stad | Regio | Land | Bevolking | Netnummers | Postcodes |
|---|
| Ancaster | Ontario | Canada | — | 905 | L9G, L9K, L0R |
| Burlington (Ontario) | Ontario | Canada | 164,415 | 905, 780 | L7L, L7M, L7N, L7P |
| Hamilton | Ontario | Canada | 519,949 | 905, 780 | L8E, L8G, L8H, L8K |
| Stoney Creek | Ontario | Canada | — | 905 | L8E, L8G, L8J, L8H |
| Waterdown | Ontario | Canada | — | 905 | L0R, L9H |