| Business | Phone |
| Markham Legal Department 101 Town Centre Blvd, Markham L3R 9W3 | (905) 475-4701 |
| Markham Councillor's Office 101 Town Centre Blvd, Markham L3R 9W3 | (905) 475-4702 |
| Markham Building Svc & Cmplnc 101 Town Centre Blvd, Markham L3R 9W3 | (905) 475-4743 |
| Markham Building Inspections 101 Town Centre Blvd, Markham L3R 9W3 | (905) 479-7780 |
| Markham Dog License 101 Town Centre Blvd, Markham L3R 9W3 | (905) 479-7782 |
| Markham Planning Department 101 Town Centre Blvd, Markham L3R 9W3 | (905) 475-4861 |
| Markham Purchasing 101 Town Centre Blvd, Markham L3R 9W3 | (905) 475-4877 |
| Markham Theatre Box Office 101 Town Centre Blvd, Markham L3R 9W3 | (905) 305-7469 |
| Markham Clerks Department 101 Town Centre Blvd, Markham L3R 9W3 | (905) 475-4744 |
| Markham Building Permits 101 Town Centre Blvd, Markham L3R 9W3 | (905) 475-4870 |
| Markham Museum 9350 Highway 48, Markham L3P 3J3 | (905) 294-4576 |
| Markham Information 101 Town Centre Blvd, Markham L3R 9W3 | (905) 415-7500 |
| Markham Economic Development 101 Town Centre Blvd, Markham L3R 9W3 | (905) 475-4878 |
| Markham Municipal Office 101 Town Centre Blvd, Markham L3R 9W3 | (905) 477-7000 |
| Markham Street Svc 101 Town Centre Blvd, Markham L3R 9W3 | (905) 475-4866 |
| Markham Taxes 101 Town Centre Blvd, Markham L3R 9W3 | (905) 475-4864 |
| Markham Theatre-Performing Art 171 Town Centre Blvd, Markham L3R 8G5 | (905) 415-7537 |
| Markham Mayors Office 101 Town Centre Blvd, Markham L3R 9W3 | (905) 475-4872 |
| Markham Centennial Ctr 8600 Mccowan Rd, Markham L3P 3M2 | (905) 294-6111 |
| Mc Calum, John 8392 Kennedy Rd, Markham L3R 0W4 | (905) 479-8100 |
| Mount Joy Community Ctr 6140 16th Ave, Markham L3P 3K8 | (905) 471-8755 |
| York Social Svc 144 Main St N, Markham L3P 5T3 | (905) 294-0762 |
| York Regional Public Health 4261 Highway 7 #202, Markham L3R 9W6 | (905) 940-1333 |