United States Postal Service
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Phone: (618) 939-7317
Fax: (618) 939-2992
Phone: (800) 275-8777
Address: 305 E 3rd St, Waterloo, IL 62298
100 Knobloch Blvd, Valmeyer, IL 62295
208 S Rapp Ave, Columbia, IL 62236
140 W Monroe St, Hecker, IL 62248
800 Columbia Ctr, Columbia, IL 62236
20 W White St, Millstadt, IL 62260
941 Mill St, Maeystown, IL 62256
5949 Bohleysville Rd, Millstadt, IL 62260
5467 White Oak Dr, Smithton, IL 62285