Colac can expect Optus outages Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window) Contact the authorby David McKenzie June 7, 2021 Optus mobile phone customers can expect service disruptions between today and June 16. Unlock full access to Colac Herald - Subscribe today! Subscribe Now Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window) Tags: Communications, Mobile Phone Base Station, Mobile Phones