Thrift Savings Plan toll-free service begins July 1 Published June 25, 2004 WASHINGTON -- A toll-free telephone service for Thrift Savings Plan participants and beneficiaries begins July 1.Callers will be able to receive TSP account or transaction information via the service daily around the clock. They will also be able to speak to a participant service representative at one of two call centers 7 a.m. to 9 p.m. Eastern time Monday through Friday.The retirement savings plan is for federal employees and similar to the 401(k) plans offered by many private employers. As of May 31, TSP assets totaled more than $135 billion, and retirement savings accounts were being maintained for nearly 3.3 million participants. Participants include federal civilian employees in all branches of Government, employees of the U.S. Postal Service, and members of the uniformed services.For calls from the United States, Canada, Puerto Rico and the Virgin Islands, the primary toll-free number will be (877) 968-3778 and the TDD number for the hearing impaired will be (877) 847-4385. The current number (504) 255-8777 can be used for all other international calls.