Exhibit 12

QWEST CORPORATION
CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES
(UNAUDITED)

	Successor			Predecessor
	Nine Months Ended December 31,			Three Months Ended March 31,			Years Ended December 31,
	2011			2011			2010			2009			2008			2007
	(Dollars in millions)
Income before income tax expense	$	892			490			1,873			1,921			2,267			2,440
Add: estimated fixed charges		342			171			689			705			671			682
Add: estimated amortization of capitalized interest		7			2			10			11			12			10
Less: interest capitalized		(5	)		(3	)		(12	)		(10	)		(14	)		(12	)
Total earnings available for fixed charges	$	1,237			660			2,560			2,627			2,936			3,120
Estimate of interest factor on rentals	$	38			18			62			63			68			62
Interest expense, including amortization of premiums, discounts and debt issuance costs		299			150			615			632			589			608
Interest capitalized		5			3			12			10			14			12
Total fixed charges	$	342			171			689			705			671			682
Ratio of earnings to fixed charges		3.6			3.9			3.7			3.7			4.4			4.6