If you are a Responsible Organization (Resp Org), please visit the "Number Admin History Report" which is located in the "Resources" section on the Somos® Portal Website (portal.somos.com). This report provides historical information for a Toll-Free Number and it can assist you with Toll-Free Number information such as the Number Administration status and when a Toll-Free Number was changed from one Resp Org to another Resp Org. Please Note: The Number Admin History Report is updated every 15 minutes and receives its information from the TFNRegistry™. For additional information regarding this report, please select the "Need Help? Click Here." link on the Number Admin History Report page.