SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 OF
THE SECURITIES EXCHANGE ACT OF 1934

FOR THE MONTH OF APRIL 2007

SK Telecom Co., Ltd.

(Translation of registrant’s name into English)

11, Euljiro2-ga, Jung-gu

Seoul 100-999, Korea

(Address of principal executive offices)

     (Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.)

Form 20-F  þ          Form 40-F  o

     Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):                     

     Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

     Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):                     

     Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submission to furnish a report or other document that the registration foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant’s security holders, and if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

     Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.     Yes  o          No  þ

     If “Yes” is marked, indicate below the file number assigned to the Registrant in connection with Rule 12g3-2(b): 82-                     

 

 

Preliminary Results of Operations (Fair Disclosure)

     *The following estimates are subject to change based on the actual results of our business performance.

1. Details of Results of Operations

																						Increase
																		Results of the				(Decrease)
																		same period in				from the same
																		Fiscal Year				period in Fiscal
														Increase (Decrease)				ended				Year ended
						Results of				Results of				from Previous				December 31,				December 31,
(Unit: in millions of Won, %)						Current Period				Previous Period				Period (%)				2006 (%)				2006 (%)
Operating Revenue	Current						—				—				—				—				—
	Total						—				—				—				—				—
Operating Income	Current						—				—				—				—				—
	Total						—				—				—				—				—
Ordinary Income	Current						—				—				—				—				—
	Total						—				—				—				—				—
Net Income	Current						—				—				—				—				—
	Total						—				—				—				—				—
Wireless Subscribers						20,733,000 (End of March 2007)				20,561,000 (End of February 2007)					0.84%			19,733,000 (End of March 2006)					5.07%
ARPU (Average Revenue per User)						Won 42,134 (February 2007)				Won 44,013 (January 2007)					(4.27%)			Won 41,268 (February 2006)					2.10%
Average Wireless Internet Revenue per User						Won 10,532 (February 2007)				Won 10,591 (January 2007)					(0.56%)			Won 10,433 (February 2006)					0.95%
Outgoing Voice MOU (Minutes of Usage)						199 minutes (January 2007)				207 minutes (December 2006)					(3.86%)			193 minutes (January 2006)					3.11%
2. Details of Disclosure						Information provider:								SK Telecom IR Team
						Target audience of disclosure:								Securities analysts and institutional investors.
						(Scheduled) information release date:								The above Information will be released by email or at www.sktelecom.com after this disclosure is made.
						Event (Location):								—
3. Contact Details						Person responsible for disclosure (Tel.):								Tae Jin Park, Head of IR Team (822-6100-2400)
						Inquiries relating to disclosure (Tel.):								Jinmo Kim, Manager, IR Team (822-6100-1620)
4. Other Relevant Matters:														Please refer to the attached file for details.
														*Related Disclosure: —

EXHIBIT INDEX

	Exhibit No.		Description
	Factsheet(April)		Monthly Factsheet dated as of
			April 3, 2007

		Monthly Factsheet		April 3, 2007 IR Office

Subscriber		2006																																																2007
		Jan				Feb				Mar				April				May				Jun				Jul				Aug				Sep				Oct				Nov				Dec				Jan				Feb				Mar
Population (‘000)			48,311				48,328				48,345				48,362				48,379				48,396				48,412				48,429				48,446				48,463				48,364				48,297				48,310				48,324				48,337
Total Market Subs (‘000)			38,516				38,733				38,917				38,996				39,130				39,382				39,508				39,556				39,703				39,866				40,048				40,197				40,418				40,772				41,101
Market Penetration(%)			79.7	%			80.1	%			80.5	%			80.6	%			80.9	%			81.4	%			81.6	%			81.7	%			82.0	%			82.3	%			82.8	%			83.2	%			83.7	%			84.4	%			85.0	%
SKT Subs (‘000)			19,591				19,669				19,733				19,778				19,849				19,984				19,973				19,982				20,032				20,122				20,202				20,271				20,369				20,561				20,733
1x			18,627				18,726				18,700				18,883				18,986				19,136				19,166				19,206				19,274				19,312				19,425				19,663				19,777				19,970				20,241
EVDO (1)			8,209				8,329				8,474				8,687				8,917				9,122				9,279				9,396				9,518				9,477				9,718				10,038				10,326				10,565				10,889
net Adds			61				79				63				46				71				135				(11	)			9				50				90				80				69				98				193				171
activations			468				495				482				300				398				641				425				382				459				516				486				520				626				599				827
deactivations			407				416				419				255				328				506				436				373				410				427				406				451				528				406				656
MNP In			223				232				232				136				202				381				218				204				265				293				246				275				369				245				399
MNP Out			222				233				238				123				189				385				245				223				272				294				266				285				366				247				395
Monthly Churn Rate			2.1	%			2.1	%			2.1	%			1.3	%			1.7	%			2.5	%			2.2	%			1.9	%			2.0	%			2.1	%			2.0	%			2.2	%			2.6	%			2.0	%			3.2	%
Competitors’ Subs (‘000)			18,925				19,063				19,184				19,218				19,281				19,398				19,534				19,573				19,671				19,744				19,846				19,926				20,050				20,211				20,368
net Adds			113				138				121				34				63				117				136				39				98				73				102				80				124				161				158
KTF			12,373				12,455				12,539				12,563				12,584				12,634				12,718				12,732				12,773				12,805				12,863				12,914				12,974				13,076				13,156
LGT			6,552				6,608				6,645				6,655				6,697				6,765				6,817				6,841				6,899				6,940				6,983				7,012				7,076				7,135				7,212
Market Share
SKT			50.9	%			50.8	%			50.7	%			50.7	%			50.7	%			50.7	%			50.6	%			50.5	%			50.5	%			50.5	%			50.4	%			50.4	%			50.4	%			50.4	%			50.4	%
KTF			32.1	%			32.2	%			32.2	%			32.2	%			32.2	%			32.1	%			32.2	%			32.2	%			32.2	%			32.1	%			32.1	%			32.1	%			32.1	%			32.1	%			32.0	%
LGT			17.0	%			17.1	%			17.1	%			17.1	%			17.1	%			17.2	%			17.3	%			17.3	%			17.4	%			17.4	%			17.4	%			17.4	%			17.5	%			17.5	%			17.5	%

ARPU		2006																																																2007
		Jan				Feb				Mar				April				May				Jun				Jul				Aug				Sep				Oct				Nov				Dec				Jan				Feb				Mar
Monthly ARPU (Won)			43,225				41,268				44,908				43,760				44,510				44,783				43,968				44,208				47,529				45,784				45,431				45,691				44,013				42,134
Sign-up fee			1,083				1,170				1,133				673				904				1,361				960				831				1,055				1,192				1,120				1,195				1,438				1,359
ARPU excl. Sign-up fee			42,142				40,098				43,775				43,088				43,606				43,422				43,008				43,376				46,474				44,592				44,311				44,495				42,575				40,775
Monthly fee & Call charge			25,486				25,071				27,064				26,782				27,315				26,541				26,745				27,054				27,438				26,626				27,123				27,136				26,595				25,247
VAS & others			983				916				1,016				980				934				1,017				1,000				1,180				1,036				1,043				1,057				980				1,050				1,065
Wireless Internet			11,782				10,433				11,569				11,234				11,090				11,753				11,164				11,063				11,272				12,661				11,403				11,935				10,591				10,532
NATE			6,424				5,609				6,109				6,035				5,808				6,189				6,014				5,962				6,206				6,549				5,991				6,237				5,337				5,396
Phone mail			4,905				4,457				5,020				4,855				5,006				4,798				4,752				4,761				4,717				5,427				4,840				5,172				4,874				4,722
Others(2)			452				366				441				344				276				766				398				340				349				685				572				526				380				415
L-M Interconnection			1,667				1,588				1,771				1,764				1,806				1,785				1,739				1,728				2,805				1,779				1,886				1,726				1,838				1,608
M-M Interconnection			2,224				2,091				2,354				2,328				2,460				2,325				2,361				2,352				3,923				2,484				2,841				2,719				2,501				2,324

MOU		2006																																																2007
		Jan				Feb				Mar				April				May				Jun				Jul				Aug				Sep				Oct				Nov				Dec				Jan				Feb				Mar
Monthly Voice MOU (Outgoing)			193				184				207				202				211				198				202				202				204				203				203				207				199
Monthly Voice MOU (Incoming)			108				104				115				112				116				109				116				111				112				109				112				113				110
Voice Traffic Proportion
SKT->SKT			33.1	%			32.9	%			33.3	%			33.1	%			33.3	%			33.2	%			32.6	%			33.0	%			33.0	%			33.5	%			33.2	%			33.2	%			33.0	%
Fixed line->SKT			17.9	%			18.4	%			17.7	%			17.3	%			17.2	%			17.2	%			18.4	%			17.1	%			17.6	%			16.2	%			16.9	%			16.6	%			17.2	%
Other Mobile->SKT			17.9	%			17.9	%			18.2	%			18.4	%			18.2	%			18.3	%			18.0	%			18.3	%			18.2	%			18.7	%			18.5	%			18.6	%			18.3	%
SKT->Fixed line			13.0	%			12.8	%			12.6	%			12.7	%			12.6	%			12.6	%			12.7	%			13.0	%			12.8	%			12.6	%			12.5	%			12.8	%			12.9	%
SKT->Other Mobile			18.0	%			18.0	%			18.2	%			18.6	%			18.7	%			18.6	%			18.2	%			18.6	%			18.5	%			18.9	%			18.7	%			18.7	%			18.5	%

SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

 

Date: April 5, 2007