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