1. US Post Office
611 W Lincoln Hwy Ste A, Merrillville, IN 46410
Coordinate: 41.47084,-87.34553
Phone: (800) 275-8777
2. United States Postal Service
303 W 80th Pl, Merrillville, IN 46410
Coordinate: 41.47268,-87.33914
Phone: (800) 275-8777