Exhibit 12

QWEST CORPORATION

CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES

(Unaudited)

	Three Months Ended March 31, 2006			Years Ended December 31,
				2005			2004			2003			2002			2001
	(Dollars in millions)
Income from continuing operations before income taxes, discontinued operations and cumulative effect of change in accounting principle	$	451		$	1,530		$	1,742		$	1,758		$	2,435		$	2,833
Add: estimated fixed charges		167			668			647			643			634			588
Add: estimated amortization of capitalized interest		3			12			12			13			14			14
Less: interest capitalized		(2	)		(7	)		(9	)		(13	)		(24	)		(44	)
Total earnings available for fixed charges		619			2,203			2,392			2,401			3,059			3,391
Estimate of interest factor on rentals		12			54			54			57			69			79
Interest expense, including amortization of premiums, discounts and debt issuance costs		153			607			584			573			541			465
Interest capitalized		2			7			9			13			24			44
Total fixed charges	$	167		$	668		$	647		$	643		$	634		$	588
Ratio of earnings to fixed charges		3.7			3.3			3.7			3.7			4.8			5.8