WASHINGTON (DC News Now) -- The United States Postal Service (USPS) said it would be closed on Jan. 9, 2025 in observance of the National Day of Mourning for former President Jimmy Carter. His state funeral takes place that day at National Cathedral in Washington, D.C., beginning at 10 a.m. Carter, who died on Dec. 29, 2024, was 100 years old. He was the country's oldest living former president. Jimmy Carter funeral: How to pay respects, things to know USPS said there would be no mail delivery on the day of observance. Post offices, themselves, would not be staffed to provide services to customers. The postal service noted that there would be be limited package delivery service on Jan. 9 "to ensure the organization does not experience any negative impacts to its package delivery operations." ‘First and foremost a person of faith’: DC church honors President Jimmy Carter’s legacy Additionally, USPS facilities. including headquarters in D.C., area and district administrative offices, were to be closed except as need for limited package delivery service. "Local managers will advise employees on staffing levels to maintain limited package delivery operations and prepare for the resumption of regular activities Friday, Jan. 10," USPS said. Postal service facilities were to fly the U.S. flag at half-staff through sunset Wednesday, Jan. 29, to honor Carter.