Symbio Networks Pty Ltd, which is part of the larger Symbio Holdings and has been fully acquired by the Aussie Broadband Group, does not have a physical office or main business location in Townsville, Queensland.
Their primary offices are located in:
Sydney, NSW (Headquarters)
Heathwood, QLD (Brisbane area)
Melbourne, VIC
Perth, WA
Adelaide, SA
Canberra, ACT
Darwin, NT
Symbio provides wholesale telecommunications, voice, and network solutions to service providers and enterprises across the Asia-Pacific region. They are an IP network operator with a national reach in Australia, but their business locations are primarily in major capital cities.

Is this number a scam