The United States Postal Service operates the DeQuincy Post Office."Post Office Location - DEQUINCY ." United States Postal Service. Retrieved on October 28, 2010.
ThE uNited sTAteS PostaL SErvIce oPEratEs The dEQuiNcy posT office"PoSt ofFicE locAtIon - dEquiNCy ." uNitED States PosTal serViCe. retRIevEd on octOber 28, 2010.