| District of Ontario area codes: 519 | |
|---|---|
| Country | Canada |
| State/Province | Ontario |
| Major City | Comber |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 519-242 | Hespeler, ON | Bell Mobility | |
| 519-243 | Port Franks, ON | Execulink Telecom Inc. | |
| 519-244 | Hespeler, ON | Bell Canada | |
| 519-245 | Strathroy, ON | Bell Canada | |
| 519-246 | Strathroy, ON | Bell Canada | |
| 519-247 | Kerwood, ON | Bell Canada | |
| 519-248 | Hespeler, ON | Allstream Inc. | |
| 519-249 | Hespeler, ON | Bell Canada | |
| 519-250 | Windsor, ON | Bell Canada | |
| 519-251 | Windsor, ON | Bell Canada | |
| 519-252 | Windsor, ON | Bell Canada | |
| 519-253 | Windsor, ON | Bell Canada | |
| 519-254 | Windsor, ON | Bell Canada | |
| 519-255 | Windsor, ON | Bell Canada | |
| 519-256 | Windsor, ON | Bell Canada | |
| 519-257 | Windsor, ON | Bell Canada | |
| 519-258 | Windsor, ON | Bell Canada | |
| 519-259 | Windsor, ON | Bell Canada | |
| 519-260 | Hespeler, ON | Rogers Communications Partnership (cable) | |
| 519-261 | Mount Forest, ON | Rogers Communications Partnership (wireless) |
There are 779 prefixes, In the code area, the major cities are Dutton, ON;Teeswater, ON;Wheatley, ON;Goderich, ON. The major city is Dutton.