How do i contact momentum customer service? Momentum H/O: 268 West Ave. Centurion 0157. Switchboard: +27 12 671 8911. Find contact details for Momentum branches, claims, emergencies, services & enquiries or to report fraud.How does momentum health work? Momentum Health engages your employees year-round with a customized health plan, periodic re-assessments, incentives, social-networking, and health coaching. Momentum Health works directly with your employees with both onsite visits and webconferencing tools.What is momentum mobility view for smartphone and desktop? Momentum Mobility View for Smartphone and Desktop provides users with a Unified Communications experience across mainstream mobile and desktop platforms including Windows, Mac, iOS and Android.