| Business | Phone |
| Ontario Courts Criminal Div 50 Eagle St W, Newmarket L3Y 6B1 | (905) 853-4801 |
| Ontario Trial Coordinator 50 Eagle St W, Newmarket L3Y 6B1 | (905) 853-4817 |
| Ontario Courts Dept 50 Eagle St, Newmarket L3Y 1J3 | (905) 853-4809 |
| Ontario Correctional Svc Ofc 390 Davis Dr #203, Newmarket L3Y 7T8 | (905) 898-6511 |
| Ontario Court Support Svc 50 Eagle St, Newmarket L3Y 1J3 | (905) 853-4811 |
| Ontario Crown Attorney 50 Eagle St W, Newmarket L3Y 6B1 | (905) 853-4800 |
| Ontario Judge's Secretary 50 Eagle St W, Newmarket L3Y 6B1 | (905) 853-4810 |
| Ontario Finance 50 Eagle St W, Newmarket L3Y 6B1 | (905) 853-4803 |
| Ontario Labour Ministry 1110 Stellar Dr #102, Newmarket L3Y 7B7 | (905) 715-7020 |
| Ontario Manager Court Operatio 50 Eagle St W, Newmarket L3Y 6B1 | (905) 853-4884 |
| Ontario Justice Of The Peace 50 Eagle St W, Newmarket L3Y 6B1 | (905) 853-4802 |
| Ontario Probation & Parole 50 Eagle St W, Newmarket L3Y 6B1 | (905) 895-5920 |
| Ontario Regional Drctr-Courts 1091 Gorham St #201, Newmarket L3Y 7V1 | (905) 836-5621 |
| Probation Services 465 Davis Dr, Newmarket L3Y 7T9 | (905) 868-8900 |
| York North Parliament Members 17705 Leslie St, Newmarket L3Y 3E3 | (905) 898-8514 |
| Central East Regeion Health 465 Davis Dr, Newmarket L3Y 7T9 | (905) 954-4700 |
| Drivers Vehicle & Licences 17480 Yonge St #C9, Newmarket L3Y 8A9 | (905) 895-5009 |