(FILES) A customer waits with a Colissimo parcel in a recently renovated French bank La Poste Banque Postale post office, on December 22, 2008 in Caen, west of France. AFP PHOTO MYCHELE DANIAU. La Poste's rates for mailing letters and packages will increase by an average of 6.73% effective January 1, 2027, with a nearly 10% increase for the "Lettre verte" service for daily mail, which will rise to 1.67 euros from 1.52 euros, the company announced on July 27, 2026. (Photo by MYCHELE DANIAU / AFP via Getty Images)