Post Office - Merriman 110 N Mills St Merriman, NE 69218 Phone : (308) 684-3381 Business Category Post Offices Toll-Free           (800) ASK-USPS United States Government--merriman, Post Office Po Box 9998 Merriman, NE 69218 Phone : (308) 684-3381 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools United States Postal Service , Phone : (308) 684-3381 United States Postal Service Business Category