where is 924 area code
The area code 924 is actually not an area code. According to AreaCodeHelp the area code 924 doesn't actually exist. You can view all of the area codes here: http://www.areacodehelp.com/where/area_code_917.shtml.
Unfortunately the area code 924 does not service any specific area of the United States. It is actually a false area code which is probably used by a telemarketer.
The http://goo.gl/mvJT4K can help you to locate that area code.