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     <!-- Control Number: form8k                                                           -->
     <!-- Filing Type:    8k                                                               -->
     <!-- Client Name:    1st Page                                                         -->
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<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4> SECURITIES AND EXCHANGE COMMISSION</font>
<BR><FONT FACE="Times New Roman, Times, Serif" SIZE=3>Washington, D.C. 20549  </FONT></H1></TD></TR>
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<H1 Align=CENTER><Font Face="Times New Roman, Times, Serif" Size=3>FORM 8-K </font></h1>

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<H1 Align=CENTER><Font Face="Times New Roman, Times, Serif" Size=2>CURRENT REPORT<BR>Pursuant
to Section 13 or 15(d) of the<BR> Securities Exchange Act of 1934  </font></h1>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2"><B>August 8, 2003 (August 8, 2003)</B></FONT></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><HR NOSHADE SIZE=1 width=96%></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">Date of Report (Date of earliest event reported) </FONT></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="4"><B>RCN Corporation</B></FONT></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><HR NOSHADE SIZE=1 width=96%></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">(Exact Name of Registrant as specified in its charter)</FONT></TD></TR>
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<td Align=CENTER Width=33%><Font Face="Times New Roman, Times, Serif" Size=2><B>Delaware</B> </font></td>
<td Align=CENTER Width=34%><Font Face="Times New Roman, Times, Serif" Size=2><B>0-22825 </B> </font></td>
<td Align=CENTER Width=33%><Font Face="Times New Roman, Times, Serif" Size=2><B>22-3498533</B> </font></td>
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<td Align=CENTER><Font Face="Times New Roman, Times, Serif" Size=2>(State of Incorporation)
</font></td>
<td Align=CENTER><Font Face="Times New Roman, Times, Serif" Size=2>(Commission<br>File Number) </font></td>
<td Align=CENTER><Font Face="Times New Roman, Times, Serif" Size=2>(IRS Employer<br> Identification No.) </font></td>
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     <TD WIDTH="75" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp;</FONT></TD>
     <TD WIDTH="350" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2"><B>&nbsp;<!-- ADDRESS -->
   105 Carnegie Center  <BR>
Princeton, NJ
</B></FONT></TD>
     <TD WIDTH="100" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2"><B>08540-6215</B></FONT></TD>
     <TD WIDTH="75" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp;</FONT></TD></TR>
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     <TD COLSPAN=4 WIDTH="600" ALIGN="CENTER"><HR NOSHADE SIZE=1 width=96%></TD></TR>
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     <TD WIDTH="75" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp;</FONT></TD>
     <TD WIDTH="350" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">(Address of Principal Executive Offices) </FONT></TD>
     <TD WIDTH="100" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">(Zip Code)</FONT></TD>
     <TD WIDTH="75" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp;</FONT></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2"><B> (609) 734-3700</B></FONT></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><HR NOSHADE SIZE=1 width=96%></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">(Registrant's Telephone Number, including Area Code)</FONT></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2"><B>Not Applicable</B></FONT></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><HR NOSHADE SIZE=1 width=96%></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">(Former Name or Former Address, if Changed Since Last Report) </FONT></TD></TR>
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1 of 4  </FONT></P></TD></TR>
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<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2><B>Item 5.</B>&nbsp; Other Events and Required FD Disclosure </FONT></P></TD></TR>
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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On
August 8, 2003, RCN Corporation announced it had extended its tender offer for up to
between approximately $250,000,000 and $290,000,000 aggregate principal amount of its
outstanding Senior Notes without distinguishing between the issues, from 11:59 p.m., New
York City time on August 7, 2003 to 5:00 p.m., New York City time, on August 15, 2003.
The press release with respect thereto is attached hereto as Exhibit 99.1.  </FONT></TD></TR>
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<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2><B>Item 7.</B>&nbsp; Financial Statements and Exhibits </FONT></P></TD></TR>
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<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>a)
Exhibits </FONT></P></TD></TR>
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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Exhibit 99.1 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Exhibit
RCN Corporation Press Release, dated August 8, 2003. </FONT></P>

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<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Page 2 of 4  </FONT></P></TD></TR>
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<TD><H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>SIGNATURES </FONT></H1></TD></TR>
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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>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 hereunto duly authorized. </FONT></TD></TR></TABLE><BR>

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<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Date:
August 8, 2003 </FONT></P></TD></TR>
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    <TD WIDTH="238"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp; </FONT></TD>
    <TD WIDTH="254"><FONT FACE="Times New Roman, Times, Serif" SIZE="2"><B>RCN CORPORATION </B></FONT></TD>
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    <TD WIDTH="219"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp; <!-- DATE--> </FONT></TD>
    <TD WIDTH="28"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp; </FONT></TD>
    <TD WIDTH="26"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">By: </FONT></TD>
    <TD WIDTH="238"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp;/s/ W. Terrell Wingfield, Jr.</FONT></TD>
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    <TD><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp; </FONT></TD>
    <TD> &nbsp; </TD>
    <TD><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp; </FONT></TD>
    <TD><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp; </FONT></TD>
    <TD> <HR NOSHADE SIZE="1"> </TD>
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    <TD WIDTH="344"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp; </FONT></TD>
    <TD WIDTH="200"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">W. Terrell Wingfield, Jr.</FONT></TD>
    <TD WIDTH="14"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp;  </FONT></TD>
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    <TD><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp; </FONT></TD>
    <TD><FONT FACE="Times New Roman, Times, Serif" SIZE="2">General Counsel and Corporate Secretary</FONT></TD>
    <TD><FONT FACE="Times New Roman, Times, Serif" SIZE="2">&nbsp;</FONT></TD>
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<H1 ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>EXHIBIT
INDEX</FONT></H1></TD></TR>
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     <TD WIDTH=13% ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Exhibit 99.1</font></TD>
     <TD WIDTH=47% ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>RCN Corporation Press Release, dated August 8, 2003.</font></TD></TR>
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<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Page 4 of 4  </FONT></P></TD></TR>
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8K Form
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant
to Section 13 or 15(d) of the
Securities Exchange Act of 1934
August 8, 2003 (August 8, 2003)
Date of Report (Date of earliest event reported)
RCN Corporation
(Exact Name of Registrant as specified in its charter)
Delaware
0-22825
22-3498533
(State of Incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
105 Carnegie Center
Princeton, NJ
08540-6215
(Address of Principal Executive Offices)
(Zip Code)
(609) 734-3700
(Registrant's Telephone Number, including Area Code)
Not Applicable
(Former Name or Former Address, if Changed Since Last Report)
Page
1 of 4
Item 5.
Other Events and Required FD Disclosure
On
August 8, 2003, RCN Corporation announced it had extended its tender offer for up to
between approximately $250,000,000 and $290,000,000 aggregate principal amount of its
outstanding Senior Notes without distinguishing between the issues, from 11:59 p.m., New
York City time on August 7, 2003 to 5:00 p.m., New York City time, on August 15, 2003.
The press release with respect thereto is attached hereto as Exhibit 99.1.
Item 7.
Financial Statements and Exhibits
a)
Exhibits
Exhibit 99.1         Exhibit
RCN Corporation Press Release, dated August 8, 2003.
Page 2 of 4
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 hereunto duly authorized.
Date:
August 8, 2003
RCN CORPORATION
By:
/s/ W. Terrell Wingfield, Jr.
W. Terrell Wingfield, Jr.
General Counsel and Corporate Secretary
Page 3 of 4
EXHIBIT
INDEX
Exhibit 99.1
RCN Corporation Press Release, dated August 8, 2003.
Page 4 of 4