Roman catholic parish office Missione Cattolica Italiana Rossmarktplatz 5, 4500 Solothurn 032 622 15 17 032 622 15 17
Roman Catholic parish, Roman catholic parish office Römisch-kath. Kirchgemeinde St. Niklaus St. Niklausstrasse 79, 4500 Solothurn 032 622 12 65 * 032 622 12 65 *
Roman catholic parish office St. Martin Solothurnerstrasse 26, 4600 Olten SO 062 287 23 11 * 062 287 23 11 *