AdvertisementUSPS Suspends Mail Delivery In Parts Of 10 States Because Of Dangerous Polar VortexJanuary 30, 2019Bill ChappellfacebookEmailCiting sub-zero temperatures and howling winds, the U.S. Postal Service has suspended delivery in a wide range of states, from North Dakota (where an icy roadway is seen here near Wahpeton on Tuesday) to Ohio. (Social Media / Reuters)