Verizon Washington, DC Inc. EXHIBIT 12 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Six Months Ended (Dollars in Thousands) June 30, 2002 - ----------------------------------------------------------------------------------------------------- Income before provision for income taxes and extraordinary item $ 48,865 Equity in income from affiliate (113) Dividends received from equity affiliate 3 Interest expense 6,885 Portion of rent expense representing interest 4,856 Amortization of capitalized interest 646 --------------------- Earnings, as adjusted $ 61,142 ===================== Fixed charges: Interest expense $ 6,885 Portion of rent expense representing interest 4,856 Capitalized interest 610 --------------------- Fixed Charges $ 12,351 ===================== Ratio of Earnings to Fixed Charges 4.95 =====================