What does FDN stand for?
FDN stands for "Fixed Dialing Number"
How to abbreviate "Fixed Dialing Number"?
"Fixed Dialing Number" can be abbreviated as FDN
What is the meaning of FDN abbreviation?
The meaning of FDN abbreviation is "Fixed Dialing Number"
What does FDN mean?
FDN as abbreviation means "Fixed Dialing Number"
