Netnummers in Grimsby
| 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 |
|---|
| Beamsville | Ontario | Canada | — | 905 | L0R |
| Hamilton | Ontario | Canada | 519,949 | 905, 780 | L8E, L8G, L8H, L8K |
| Oakville (Ontario) | Ontario | Canada | 165,697 | 780, 905 | L6H, L6J, L6K, L6L |
| Smithville | Ontario | Canada | — | 905 | L0R |
| Stoney Creek | Ontario | Canada | — | 905 | L8E, L8G, L8J, L8H |