Oakville City Area Code List
| Area Codes | Country | State | City | Time Zone | Operating |
|---|---|---|---|---|---|
| 204 | Canada | Manitoba | Oakville | Central | Details |
| 289 | Canada | Ontario | Oakville | Eastern | Details |
| 314 | US | Missouri - MO | Oakville | Central | Details |
| 319 | US | Iowa - IA | Oakville | Central | Details |
| 365 | Canada | Ontario | Oakville | Eastern | Details |
| 905 | Canada | Ontario | Oakville | Eastern | Details |