Preservation of Telephone Service for Disabled Ratepayers Act of 1983 - Declares that no telephone operation serving the disabled that was affiliated with a Bell operating company on the effective date of this Act shall be affiliated with the American Telephone and Telegraph Company after the date of divestiture or transferred to any entity not affiliated with a Bell operating company, unless the Federal Communications Commission determines that such affiliation or transfer will not impair the ability of disabled persons to obtain specialized terminal equipment at affordable rates.