Diocesan Offices: Diocesan Office, Community Development
P.O. Box 5, Posri Station, Udon Thani 41002. Phone: (66) 42-223-228
Diocesan Family Life Promotion Office
P.O. Box 5, Posri Station, Udon Thani 41002. Phone: (66) 42-223-228
Diocesan Health Promotion Program (St. Paul de Chartres Sisters)
P.O. Box 5, Posri Station, Udon Thani 41002. Phone: (66) 42-223-518
Legion of Mary
P.O. Box 4, Posri Station, Udon Thani 41002. Phone: (66) 42-222-206
Diocesan Chapter of St. Vicent de Paul
P.O. Box 3, Posri Station, Udon Thani 41002. Phone: (66) 42-245-947
Diocesan Chapter Serra Club
P.O. Box 5, Posri Station, Udon Thani 41002. Phone: (66) 42-241-564
Diocesan Office for Youth
P.O. Box 5, Posri Station, Udon Thani 41002. Phone: (66) 42-222-206
Office of Habitat Udon Thani
P.O. Box 3, Posri Station, Udon Thani 41002. Phone: (66) 42-211-799
Fax: (66) 42-241-712
Diocesan Center for Handicapped
P.O. Box 20, Ponphisai, Nongkhai 43120. Phone/Fax: (66) 42-471-585
Diocesan AIDS House of Perpetual Help
P.O. Box 19, Lamphu District, Amphoe Muang, Nong Bua Lamphu 39000.
Phone/Fax: (66) 42-360-322