What does ORTS stand for?
ORTS stands for "Optional Residential Telephone Service"
How to abbreviate "Optional Residential Telephone Service"?
"Optional Residential Telephone Service" can be abbreviated as ORTS
What is the meaning of ORTS abbreviation?
The meaning of ORTS abbreviation is "Optional Residential Telephone Service"
What does ORTS mean?
ORTS as abbreviation means "Optional Residential Telephone Service"
