What does STD stand for?
STD stands for "Subscriber Toll Dialing"
How to abbreviate "Subscriber Toll Dialing"?
"Subscriber Toll Dialing" can be abbreviated as STD
What is the meaning of STD abbreviation?
The meaning of STD abbreviation is "Subscriber Toll Dialing"
What does STD mean?
STD as abbreviation means "Subscriber Toll Dialing"
