Contact Optus: Customer Service Numbers, Contact Links ...
For businesses, the general large business support number 134 351 is available for technical emergencies. Optus email and address. Optus customer service can be emailed at [email protected] All snail mail can be sent to Optus's postal address. Customer Relations Group PO Box 306 Salisbury South SA, 5106. Optus's headquarters are located at Macquarie Park, Sydney, New South Wales, Australia
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