Employment Cost Index Contacts Bureau of Labor Statistics economists will be glad to assist you with questions about the Employment Cost Index, the Employer Costs for Employee Compensation, Benefits, Modeled Wage Estimates, Work Stoppages, and the Occupational Requirements Survey estimates. E-mail Address: ncsinfo@bls.gov Phone: (202) 691-6199 (Monday - Friday, 8:30 A.M. - 4:30 P.M. Eastern Time) Assistive communications Information voice phone: (202) 691-5200 Telecommunications Relay Service: 7-1-1 Mailing address: Bureau of Labor Statistics Employment Cost Index 2 Massachusetts Ave., N.E. - Suite 4160 Washington, D.C. 20212-0001