What does PTO stand for?
PTO stands for "Post and Telecommunications Offices"
How to abbreviate "Post and Telecommunications Offices"?
"Post and Telecommunications Offices" can be abbreviated as PTO
What is the meaning of PTO abbreviation?
The meaning of PTO abbreviation is "Post and Telecommunications Offices"
What does PTO mean?
PTO as abbreviation means "Post and Telecommunications Offices"
