We will promptly address questions about your service. Call us toll-free for matters regarding customer care, billing, sales, or maintenance at the following numbers: Customer Care – Business 1.800.876.9823 | firstname.lastname@example.org Service Associates are available 24 hours a day, 7 days a week for billing inquiries, technical or repair issues, moves, and other service matters. Customer Care – Residential 1.877.638.8351 For repair or maintenance issues, call 24 hours a day, 7 days a week. For billing inquiries, moves, and service-related questions, Service Associates are available during business hours (8 to 7 EST, Monday – Friday; 9 to 5 EST Saturday andSunday). Repair – Advanced Voice and Data Services 1.866.312.0911 Our Network Operations Center is available 24 hours a day, 7 days a week to address repair or technical issues for DSL and Internet T1 Access Services, ISDN PRI, Digital PBX, MPLS, Integrated Voice and Data Services and VoIP Services. TrueUC Forgot your password? Reset it here.