What does DDD stand for?
DDD stands for "Direct Distant Dialing"
How to abbreviate "Direct Distant Dialing"?
"Direct Distant Dialing" can be abbreviated as DDD
What is the meaning of DDD abbreviation?
The meaning of DDD abbreviation is "Direct Distant Dialing"
What does DDD mean?
DDD as abbreviation means "Direct Distant Dialing"
