Postal history The CERFONTAINE post-office opened on 25 February 1860. It used a Distribution code 98 with vertical bars (before 1864), and 75 with points before 1874. The SILENRIEUX post-office opened on 9 December 1899; SENZEILLES on 21 August 1906. Code 5630 since at least 1990. Postal codes in 1969 (before the
merger of municipalities in 1977): - 6355 Villers-Deux-Églises - 6444 Silenrieux - 6445 Daussois - 6450 Cerfontaine - 6451 Soumoy - 6452 Senzeille. ==Town twinning==