AT&T (T) 10-K2010 FY Annual report

Filed: 25 Feb 10, 12:00am

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New words: absence, band, buy, care, core, deny, depreciation, diverse, educational, emerging, higher, inability, inconsistent, index, Internacional, law, lawsuit, lost, navigation, negotiate, neutrality, payment, PEG, rapid, ratification, ratified, recession, renewal, renewed, revoke, safety, stoppage, technical, tentative, today, unfavorable, union, vast, wage, wirelessly

Removed: analyzing, assistance, contracted, controlled, equally, evaluated, exempt, hire, Lightspeed, method, multi, pace, partner, ranging, registration, representation, retainer, shared, train, volume, WiFi

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Exhibit 21

PRINCIPAL SUBSIDIARIES OF

AT&T INC., AS OF DECEMBER 31, 2009

2009 AT&T INC. REPORT TO STOCKHOLDERS

SECURITIES AND EXCHANGE COMMISSION ("SEC")

FORM 10-K filed February 25, 2010


Legal Name	State of Incorporation/Formation	Conducts Business Under
Illinois Bell Telephone Company	Illinois	AT&T Illinois; AT&T Wholesale

Indiana Bell Telephone Company, Incorporated	Indiana	AT&T Indiana; AT&T Wholesale

Michigan Bell Telephone Company	Michigan	AT&T Michigan; AT&T Wholesale

Nevada Bell Telephone Company	Nevada	AT&T Nevada; AT&T Wholesale

Pacific Bell Telephone Company	California	AT&T California; AT&T Wholesale; AT&T DataComm
AT&T International, Inc.	Delaware	AT&T International

SBC Internet Services, Inc.	California	AT&T Internet Services; AT&T Entertainment Services

SBC Long Distance, LLC	Delaware	AT&T Long Distance

AT&T Teleholdings, Inc.	Delaware	AT&T Midwest; AT&T West; AT&T East
Southwestern Bell Telephone Company	Missouri	AT&T Arkansas; AT&T Kansas; AT&T Missouri; AT&T Oklahoma; AT&T Texas; AT&T Southwest; AT&T DataComm; AT&T Wholesale
Southwestern Bell Yellow Pages, Inc.	Missouri	AT&T Advertising Solutions

Sterling Commerce, Inc.	Delaware	same

The Ohio Bell Telephone Company	Ohio	AT&T Ohio; AT&T Wholesale

The Southern New England Telephone Company	Connecticut	AT&T Connecticut; AT&T Woodbury

Wisconsin Bell, Inc.	Wisconsin	AT&T Wisconsin; AT&T Wholesale

Exhibit 21

Legal Name	State of Incorporation/Formation	Conducts Business Under
AT&T Corp.	New York	AT&T Corp.; AT&T; ACC Business; AT&T Wholesale; Lucky Dog Phone Co.; SmarTalk; ConQuest; CQTalk!; AT&T Wholesale; AT&T Business Solutions; AT&T Advanced Solutions
AT&T Communications of California, Inc.	California	same

AT&T Communications of the Mountain States, Inc.	Colorado	Conquest; SmarTalk;CQTalk!; www.prepaidserviceguide.com

AT&T Communications of NJ, LP	Delaware	same
AT&T Communications of New York, Inc.	New York	same
AT&T Communications of Illinois, Inc.	Illinois	SmarTalk; ConQuest; Lucky Dog Phone Co.; ACC Business

AT&T Communications of the Southern States, LLC	Delaware	ACC Business; SmarTalk; prepaidserviceguide.com; AT&T; Conquest; CQTalk!; Lucky Dog Phone Co.
Teleport Communications New York	New York	same

BellSouth Corporation	Georgia	AT&T South

BellSouth Telecommunications, Inc.	Georgia	AT&T Southeast AT&T Alabama AT&T Florida AT&T Georgia AT&T Kentucky AT&T Louisiana AT&T Mississippi AT&T North Carolina AT&T South Carolina AT&T Tennessee

Exhibit 21

Legal Name	State of Incorporation/Formation	Conducts Business Under
AT&T Mobility LLC	Delaware	AT&T Mobility

AT&T Mobility II, LLC	Delaware	AT&T Mobility

New Cingular Wireless Services, Inc.	Delaware	AT&T Mobility

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