My Oracle Support (MOS)
MOS (https://support.oracle.com) is your initial point of contact for all product support and training needs. A representative at Customer Access Support (CAS) can assist you with MOS registration.

Call the CAS main number at 1-800-223-1711 (toll-free in the US),or call the Oracle Support hotline for your local country from the list at http://www.oracle.com/us/support/contact/index.html. When calling,make the selections in the sequence shown below on the Support telephone menu:
Select 2 for New Service Request
Select 3 for Hardware,Networking and Solaris Operating System Support
Select one of the following options:
For Technical issues such as creating a new Service Request (SR),Select 1
For Non-technical issues such as registration or assistance with MOS,Select 2
You will be connected to a live agent who can assist you with MOS registration and opening a support ticket.

MOS is available 24 hours a day,7 days a week,365 days a year.

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