How do i contact nmu customer service? Contact Information. We are happy to help you with any questions you have! If you have submitted an application to NMU you can use the Application Status Check to see which items we still need to complete the processing of your application. Phone 906-227-2650. Phone 800-682-9797.Where is nmus human resources office? NMU’s Human Resources office is located in room 105 of the Cohodas Building (See campus map ) University business hours are 8 a.m. to 5 p.m., Monday through Friday. Northern Michigan University is located in the Eastern time zone. Share your story!What are the hours of operation for the nmu admissions office? Northern Michigan University’s regular business hours are 8 a.m. until 5 p.m. Eastern Standard Time during the academic year running mid-August through May. The summer hours are 7:30 a.m. until 4:00 p.m. Monday through Friday, May through mid-August. The NMU Admissions Office is located at 2212 Hedgcock Building.How do i check my nmu application status? If you have submitted an application to NMU you can use the Application Status Check to see which items we still need to complete the processing of your application. Northern Michigan University’s regular business hours are 8 a.m. until 5 p.m. Eastern Standard Time during the academic year running mid-August through May.