Find tollfree numbers

Filter toll free numbers by prefix, pattern must be 3 char long and should end with ''. Examples: 8**, 85, 87* (but 855 will fail because pattern must end with '*').

To set the maximum number of records to return in a paged list response. The default is 100

Limit fields received in response. E.g. fields: id, name or fields items (id, name), see more at partial response page.