Public Mobile Inc. announced a new roaming agreement Sunday that will lower its roaming fees. Effective March 14, 2011, customers with new wireless entrant Public Mobile can place or receive roaming calls in Canada or the U.S. for 15 cents per minute. Receiving international calls will cost 15 cents per minute, the company said. Public Mobile’s new roaming coverage includes most major cities in Ontario and Quebec as well as areas in Nova Scotia, Manitoba, Alberta and British Columbia. Outgoing text messages will cost 15 cents and incoming text messages are free in roaming areas. The company also offers unlimited long-distance plans.