How do i contact the mobile home supervisor at mtc? The Grove Mall Lower Level. Contact : Mobilehome Supervisor. Phone: +264 61 280 2000 Email: [email protected]. View directionHow do i contact mtc namibia? Monday-Friday: 8:00 to 17:00. Cnr. of Mosé Tjitendero & Hamutenya Wanahepo Ndadi Street, Olympia Windhoek, Namibia. Telephone : +264612802000. Fax : +264612802124. Email : [email protected]. Why choose mtc landline phone service? With the sound clarity only fiber optics can deliver, MTC’s landline service is AAA rated. You can choose the phone features you need. From long-distance to unlimited local calls, we offer affordable rates so that you’ll have phone service without breaking the bank.