INSIDE MAIL SERVICES

Inside mail is for official purposes only. Use of inside mail services for unofficial purposes is possible if postage or delivery fee is paid. This service is available between offices in the Capitol, House and Senate Office Buildings, Library of Congress, White House, Department of State, Social Security Administration, and the Government Printing Office.
HOURS OF OPERATIONS:
  • Monday through Friday 6:00 AM until 10:30 PM
  • Saturday 8:00 AM until 1:00 PM
COLLECTION AND DELIVERY SCHEDULE:
  • Deliveries are 7:30 AM, 10:30 AM, 2:30 PM
  • Collections are 11:00 AM, 3:00 PM, 5:00 PM & 7:00 PM
CUSTOMER SERVICE:
  • Mail Room customer service X63440