toll-free
adjective /ˌtəʊl ˈfriː/
/ˌtəʊl ˈfriː/
(North American English)- (of a phone call to an organization or a service) that you do not have to pay for
- a toll-free number
- Call our toll-free number and speak to a customer service representative.
Oxford Collocations DictionaryToll-free is used with these nouns:- hotline
- number