What does TNO stand for?
TNO stands for "Telephone Number of Operator"
How to abbreviate "Telephone Number of Operator"?
"Telephone Number of Operator" can be abbreviated as TNO
What is the meaning of TNO abbreviation?
The meaning of TNO abbreviation is "Telephone Number of Operator"
What does TNO mean?
TNO as abbreviation means "Telephone Number of Operator"
