The milestone is important as Embarq's Internet access growth offsets its loss of phone lines to wireless substitution and cable competitors.

Embarq lost 450,000, or 6 percent, of its phone lines in the third quarter.

Overland Park-based Embarq (NYSE: EQ) ended the third quarter with 933,000 DSL subscribers, up 46 percent from 638,000 the prior year. High-speed Internet access now accounts for about 7 percent of Embarq's revenue, up from 6 percent last year.

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