The information below is intended to give the viewer a point of contact for questions about each system. Support hours are Monday through Friday Eastern Time, unless otherwise noted.
| Owner | System | Onsite Hours | Published Support |
| WTB | Antenna Structure Registation (ASR) | 8:00am-6:00pm | phone: 877-480-3201 TTY: 717-338-2824 http://esupport.fcc.gov |
| WCB | Automated Reporting Management Information System (ARMIS) | 7:00am-4:30pm | 202-418-0840 armis-hp@fcc.gov |
| MB | Broadcast Radio and Television Electronic Filing System (CDBS) | 8:00am-4:30pm | 202-418-2662 CDBShelp@fcc.gov |
| MB | Cable Operations & Licensing System (COALS) | 8:00am-4:30pm | 202-418-7000 coals_help@fcc.gov |
| MB | Call Sign Reservation and Authorization System (CSRS) | 9:00am-5:30pm | 202-418-1600 |
| MB | Children’s Television Programming Report (Form 398) (KIDVID) | 8:30am-5:00pm | 202-418-1665 |
| OMD | FCC Registration Number (FRN) Commission Registration System (CORES) | 8:00am-6:00pm | 877-480-3201 (option 1) |
| CGB | Consumer Complaints Center | 8:00am-5:00pm | 888-225-5322 consumercomplaints.fcc.gov |
| PSHSB | Disaster Information Reporting System (DIRS) | 8:00am-5:00pm | 202-418-2448 FCC-Disaster@fcc.gov |
| CGB | Electronic Comment Filing System (ECFS) | 8:00am-5:00pm | 202-418-0193 ecfshelp@fcc.gov |
| OMD | Electronic Document Management System (EDOCS) | 8:00am-6:00pm | 202-418-0265 edocshelp@fcc.gov |
| WCB | Electronic Tariff Filing System (ETFS) | 6:00am-4:30pm | etfs@fcc.gov |
| OET | Equipment Authorization Electronic Filing (EAS) | 8:00am-5:00pm | www.fcc.gov/labhelp |
| OET | Experimental Licensing Branch Electronic Filing (ELS) | 8:00am-5:30pm | 202-418-2440 elb@fcc.gov |
| OMD | Billing and Fees | 8:00am-6:00pm | 877-480-3201 (option 6) arinquiries@fcc.gov |
| OMD | General Menu Reports (GENMEN) | 6:30am-4:30pm | 877-480-3201 http://esupport.fcc.gov |
| IB | IB Electronic Filing Systems (IBFS) | 7:30am-5:30pm | 202-418-2222 ibfsinfo@fcc.gov |
| WTB | Licensing Support & Forms Issues | 8:00am-6:00pm | phone: 877-480-3201 phone: 888-225-5322 (option 2) TTY: 717-338-2824 http://esupport.fcc.gov |
| PSHSB | Network Outage Reporting System (NORS) | 8:00am-5:00pm | 202-418-2448 FCC-Outage@fcc.gov |
| OET | OET Knowledge Database | 8:00am-5:00pm | www.fcc.gov/labhelp |
| OMD | Red Light Status Inquiries | 8:00am-6:00pm | 202-418-1995 arinquiries@fcc.gov |
| OMD | FRN Financial and Payments | 8:00am-6:00pm | 877-480-3201 (option 1) |
| OET | Telecommunications Certification Bodies/Accreditor Electronic Filing | 8:00am-5:00pm | www.fcc.gov/labhelp |
| WTB | Tower Construction Notification System (TCNS) | 8:00am-6:00pm | phone: 877-480-3201 TTY: 717-338-2824 http://esupport.fcc.gov |
| WTB | Universal Licensing System (ULS) | 8:00am-6:00pm | phone: 877-480-3201 TTY: 717-338-2824 http://esupport.fcc.gov |