toll-free

[ tohl-free ]

/ ˈtoʊlˈfri /

made, used, provided, etc., without tolls or a charge: a toll-free highway; a toll-free phone number.

free of charge: to call toll-free.

Origin of toll-free

First recorded in 1965–70; toll¹ + -free

People are urged not to attempt to help injured or oiled animals, but to report any sightings via the toll-free number.
How to Help the Gulf|The Daily Beast|May 3, 2010|DAILY BEAST
And, as a further inducement, such carts were to be toll-free for a year.
Carriages & Coaches|Ralph Straus
Gedanken sind zollfrei, aber nicht hllenfrei—Thoughts are toll-free, but not hell-free.
Dictionary of Quotations from Ancient and Modern, English and Foreign Sources|James Wood
The errant knight, his master, must needs pass us toll-free.
Ivanhoe|Walter Scott

Thoughts were toll-free against Romish exactions; that was what Luther meant.
The Book Of God|G. W. Foote
The approaches on both sides have been greatly improved, and it is now toll-free.
Hammersmith, Fulham and Putney|Geraldine Edith Mitton