Exhibit 12

QWEST CORPORATION

CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES

(Unaudited)

	Years Ended December 31,
	2006			2005			2004			2003			2002
	(Dollars in millions)
Income from continuing operations before income taxes, discontinued operations and cumulative effect of changes in accounting principles	$	1,851		$	1,530		$	1,742		$	1,758		$	2,435
Add: Estimated fixed charges		669			668			647			643			634
Add: Estimated amortization of capitalized interest		10			12			12			13			14
Less: Interest capitalized		(8	)		(7	)		(9	)		(13	)		(24	)
Total earnings available for fixed charges		2,522			2,203			2,392			2,401			3,059
Estimate of interest factor on rentals		45			54			54			57			69
Interest expense, including amortization of premiums, discounts and debt issuance costs		616			607			584			573			541
Interest capitalized		8			7			9			13			24
Total fixed charges	$	669		$	668		$	647		$	643		$	634
Ratio of earnings to fixed charges		3.8			3.3			3.7			3.7			4.8