Which type of North American Numbering Plan number code is used to designate a number for
special purposes?
A.
easily recognizable codes
B.
carrier identification codes
C.
service codes
D.
Automatic Number Identification II digits
Which type of North American Numbering Plan number code is used to designate a number for special purposes?
Which type of North American Numbering Plan number code is used to designate a number for
special purposes?