The Federal Communications Commission handles a licensing of Amateur Radio Operators. There are amateur radio operators who are assigned to administer
the licensing exam. There are 3 levels of licenses :Technician, General and Extra. The US is divided up into 10 Districts ranging 0-9.
Study Links
ARRL
Ham Test Online
QRZ.COM
Anyone wishing to add this list or if
link is broken just email me @ drfuller@charter.net