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Telephone Company Contacts for ISDN Service
Ameritech ISDN Repair 1-800-TEAMDATA
Bell Atlantic 1-800-570-ISDN
Bell South 1-800-247-2020
Cincinnati Bell 1-513-241-6900
NYNEX 1-800-GET-ISDN
1-800-430-ISDN (New England Area)
Pac Bell 1-800-4PB-ISDN
Rochester Tel 1-716-777-1811
Southwestern Bell 1-800-792-4736
US West 1-800-223-7508