According to ITU-T E.164 recommendations, which two fields in the National Significant Number
code may be further subdivided? (Choose two.)

A.
Country Code

B.
National Destination Code

C.
Subscriber Number

D.
Regional Significant Number

E.
Local User Code

F.
National Numbering Plan

Explanation:
A telephone number can have a maximum of 15 digits .The first part of the telephone number is
the country code (one to three digits) .The second part is the national destination code (NDC). The
last part is the subscriber number (SN). The NDC and SN together are collectively called the
national (significant) number.