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guoos's Recent Activity

  1. guoos replied to the thread 0116 Area Code.

    It is the first time I come across such a code. It looks unusual, do not you think? But I have rechecked here...

    Jan 17, 2020 at 9:03 AM
  2. guoos posted a new thread.

    Ohio 937 / 326 Area Code Overlay FAQs

    General Information What is the Ohio 937 / 326 area code overlay? An overlay is the addition of another area code to the same...

    Forum: Off-Topic Discussion

    Jan 13, 2020 at 2:45 AM
  3. guoos posted a new thread.

    World Population Growth

    When and why did the world population grow? And how does rapid population growth come to an end? These are the big questions that are...

    Forum: Off-Topic Discussion

    Jan 13, 2020 at 2:34 AM