Province of Ontario
Members of Parliament
The City of Oshawa has representation from two electoral ridings (Oshawa Riding and Durham Riding) in the 103 member provincial legislature (Queen's Park). The Members of Provincial Parliament representing Oshawa are listed below:
| Riding | Jerry Ouellette, M.P.P., Oshawa Riding |
| Location | Constituency Office 170 Athol Street East, Oshawa, Ontario, L1H 1K1 |
| Phone | 905-723-2411 or at Queen`s Park 416-327-9193 |
| Fax | 905-723-1054 |
| Riding | John O`Toole, M.P.P., Durham Riding |
| Location | Constituency Office 75 King Street East, Bowmanville, Ontario, L1C 1N4 |
| Phone | 905-697-1501 or at Queen`s Park at 416-325-6745 or toll-free at 1-800-661-2433 |
| Fax | 905-697-1506 or at Queen`s Park 416-325-6255 |
Branch Offices:
- Ministry of the Attorney General
- Ministry of Health and Long-Term Care - Ontario Health Insurance Plan
- Ministry of Revenue
- Ministry of Transportation
- Service Ontario
Ministry of the Attorney General
| Location: | Ontario Court of Justice - Criminal 242 King Street East Oshawa, Ontario, L1H 3Z8 |
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| Phone: | 905-430-4400 | |
| Website: | www.attorneygeneral.jus.gov.on. | |
| Location: | Ontario Court of Justice - Family 33 King Street West Oshawa, Ontario, L1H 1A1 |
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| Phone: | 905-430-4900 | |
| Website: | www.attorneygeneral.jus.gov.on. | |
Ministry of Health and Long-Term Care - Ontario Health Insurance Plan
| Location: | Service Ontario Executive Tower, Oshawa Centre 419 King Street West, Unit 401 Oshawa, Ontario, L1J 7J2 |
| Phone: | 905-434-3700 |
| Website: | www.gov.on.ca/health www.ontario.ca |
Ministry of Revenue
| Location: | 33 King Street West Oshawa, Ontario, L1H 8H5 |
| Phone: | 1-866-668-8297 |
| Website: | www.ontario.ca/revenue |
Ministry of Transportation
| Location: | Driver Examination Centre 200 John Street, Midtown Mall Oshawa, Ontario, L1J 2B4 |
| Phone: | 1-888-570-6110 |
| Website: | www.drivetest.ca |
| Location: | District Enforcement Office 475 Bond Street West Oshawa, Ontario, L1J 1M2 |
| Phone: | 905-728-7505 |
| Fax: | 905-728-1889 |
| Website: | www.mto.gov.on.ca |
| Location: | Service Ontario Driver & Vehicle Licence Issuing Offices 333 King Street West, Unit 6 Oshawa Ontario, L1J 2J8 |
| Phone: | 905-436-7463 |
| Website: | www.mto.gov.on.ca www.ontario.ca |
