What does NPTN stand for?
NPTN stands for "National Public Telecommunications Network"
How to abbreviate "National Public Telecommunications Network"?
"National Public Telecommunications Network" can be abbreviated as NPTN
What is the meaning of NPTN abbreviation?
The meaning of NPTN abbreviation is "National Public Telecommunications Network"
What does NPTN mean?
NPTN as abbreviation means "National Public Telecommunications Network"
