WASHINGTON (AdAge.com) -- The Federal Trade Commission, which had predicted that 60 million phone numbers would be registered on its "do not call list" in the first year, has reported 10 million registered numbers in the list's first four days.

Another 3 million

Another 3 million numbers from consumers who registered using the Internet aren't formally included on the list yet because consumers haven't responded to a required e-mail confirmation.

The FTC began taking registrations

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Friday. The do-not-call list program is designed to enable consumers to block telemarketers from making calls to their home phone numbers. Marketers have to begin scrubbing their phone lists clean against the FTC's registry by October, when the program goes into effect.

Announcing the 10 million number this afternoon, the FTC's chairman, Timothy J. Muris, in somewhat of an understatement, called the response "enthusiastic."

Big surge on first day

The FTC did say that the registrations peaked Friday, with 7 million numbers entered into the registration process. The number dropped to 4.6 million on Saturday and 2 million on Sunday.

The FTC is taking registration on the Internet from anywhere in the U.S. and over the phone in the western half of the country. Phone registration opens in the East on July 7.