Wiktionary
a. 1 (context of a road or highway English) Free to use, not requiring paying a toll to use. 2 (context US of a phone call English) Without an additional toll, especially for a long distance charge.
WordNet
adj. having no toll levied for its use; "a toll-free road"; "a toll-free telephone number"
Usage examples of "toll-free".
Both displayed color booking photos of Raynard Waits, and the articles played up the hunt for the mad killer, the formation of an LAPD task force, and a toll-free telephone tip line just for finding Waits.
Then he pulled one of the two untraceable 4627 prepaid cell phones he was carrying out of his leather jacket, dialed 17, which is the two-digit toll-free number for the Paris region Gendarmerie Nationale, and, using a Marseillaise accent, told the police operator there was a kidnapping of an American diplomat in progress on rue General de Gaulle in Cormeilles-en-Parisis and that four vehicles were involved.
But the programs these days were pretty self-explanatory, the people who bought them were usually computer literate, and if users had problems they usually just called up the toll-free customer service number and asked questions of the support staff.
He removed the mouthpiece, used a car key to short the inhibitor that made it impossible to place a long-distance call without operator assistance, and dialed Klemet-Harrison in Costa Mesa, toll-free.