NEXTEL PARTNERS INC
EXHIBIT 10.55(A)
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<BR></FONT><FONT SIZE=2><B>Exhibit 10.55(a)    <BR>    </B></FONT></P>

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<BR></FONT><FONT SIZE=2><B>AMENDED AND RESTATED EXTENSION AMENDMENT TO <BR>  IDEN INFRASTRUCTURE SUPPLY AGREEMENT    <BR>    </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Amended and Restated Extension Amendment to the iDEN Infrastructure Supply Agreement ("Amendment") is entered into this 24th day of May, 2004 ("Effective
Date") between </FONT><FONT SIZE=2><B>MOTOROLA, INC.</B></FONT><FONT SIZE=2>, a Delaware corporation, by and through its Global Telecom Solutions Sector, with offices at 1421 W. Shure Drive,
Arlington Heights, Illinois 60004 ("Motorola"), and, </FONT><FONT SIZE=2><B>NEXTEL PARTNERS OPERATING CORP.</B></FONT><FONT SIZE=2>, a Delaware corporation, with offices at 4500 Carillon Point,
Kirkland Washington 98033 ("Nextel Partners"; Motorola and Nextel Partners to be collectively referred to as the "Parties"). </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHEREAS,
Motorola and Nextel Partners entered into the iDEN Infrastructure Supply Agreement effective as of the 1st day of November, 2000 (hereinafter referred to as the "Agreement" or
"Supply Agreement"); and </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHEREAS,
Motorola and Nextel Partners entered into an Extension Amendment to the iDEN Infrastructure Supply Agreement effective as of the 22nd day of December, 2003 (hereinafter referred
to as the "Original Extension Amendment"); and </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHEREAS,
Motorola and Nextel Partners wish to amend and restate the Original Extension Amendment, to further amend the Agreement to allow additional time to negotiate and execute a new
supply agreement (the "New Agreement"), to adjust pricing during the interim period and to make other appropriate changes; and </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHEREAS,
substantially all of the terms and conditions of the Agreement shall continue during the interim period prior to the Parties entering into the New Agreement, except for certain
modifications that have been discussed between the Parties as more fully set forth below; and </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHEREAS,
Section 34 of the Agreement requires that all modifications thereto be in writing and executed by authorized representatives of both Parties. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT
SIZE=2><B>NOW, THEREFORE,</B></FONT><FONT SIZE=2> in consideration of the promises and mutual obligations contained herein and for other good and valuable consideration,
the receipt and sufficiency of which are hereby mutually acknowledged, Motorola and Nextel Partners agree as follows: </FONT></P>


<P><FONT SIZE=2><B>1. Terms  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Except as set forth herein, all capitalized terms not defined herein shall have the meanings given to them in the Agreement. </FONT></P>

<P><FONT SIZE=2><B>2. Modifications to the Agreement  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Motorola and Nextel Partners hereby agree as follows: </FONT></P>

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<DL compact>
<DT style='margin-bottom:-11pt;'><FONT SIZE=2>(a)</FONT></DT><DD><FONT SIZE=2>Section
28, Term, is hereby amended by substituting the date "December 31, 2004" in place of the date "December 31, 2003". In addition, the following sentence shall be added at the
end of such Section: </FONT></DD></DL>
<UL>

<P><FONT SIZE=2>"In
the event that Motorola and Nextel Communications, Inc. ("NCI") enter into a new supply agreement within the 120 day period on or before December 31, 2004, the Agreement shall automatically be
extended until the earlier of (i) the date upon which the Parties enter into the New Agreement, (ii) 120 days after the date of the new supply agreement between Motorola and NCI, or (iii) April 30,
2005." </FONT></P>

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<P ALIGN="CENTER"><FONT SIZE=2>1</FONT></P>

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<DT style='margin-bottom:-11pt;'><FONT SIZE=2>(b)</FONT></DT><DD><FONT SIZE=2>A
new paragraph shall be added at the end of Section 6.3 of the Agreement, as follows: </FONT></DD></DL>
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<P><FONT SIZE=2>With
respect to purchases made on or after January 1, 2004, the pricing and related terms as described in the Funding Model attached as </FONT><FONT SIZE=2><I>Appendix 1 </I></FONT><FONT SIZE=2>shall
apply where applicable, in place of the pricing set forth in the Agreement.&nbsp;* </FONT></P>

</UL>
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<DT style='margin-bottom:-11pt;'><FONT SIZE=2>(c)</FONT></DT><DD><FONT SIZE=2>A
new Exhibit, labeled "Appendix 1" shall be attached to the Agreement, in the form attached hereto. </FONT></DD></DL>
</UL>

<P><FONT SIZE=2><B>3. Clarification Regarding Terms Applicable During Extension  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All terms and conditions set forth in the Agreement shall continue through the extended term provided hereunder. For the avoidance of doubt: </FONT></P>

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<DT style='margin-bottom:-11pt;'><FONT SIZE=2>(a)</FONT></DT><DD><FONT SIZE=2><I>IPL Pricing.</I></FONT><FONT SIZE=2> The IPL Pricing, pursuant to Section 6.1.4, shall be calculated in the manner specified in the funding model attached as
Appendix 1 hereto.
<BR><BR></FONT></DD><DT style='margin-bottom:-11pt;'><FONT SIZE=2>(b)</FONT></DT><DD><FONT SIZE=2><I>EBTS Pricing.</I></FONT><FONT SIZE=2> EBTS Pricing shall continue to be calculated in the manner described in Section 6.3 and in Exhibit J and J-2 attached to
the Agreement.
<BR><BR></FONT></DD><DT style='margin-bottom:-11pt;'><FONT SIZE=2>(c)</FONT></DT><DD><FONT SIZE=2><I>Infrastructure Rebate Program.</I></FONT><FONT SIZE=2> The Infrastructure rebate program, pursuant to Section 6.8, applied only through the end of calendar
year 2003. Such program is not extended hereby, and shall not be applicable during the extension period.
<BR><BR></FONT></DD><DT style='margin-bottom:-11pt;'><FONT SIZE=2>(d)</FONT></DT><DD><FONT SIZE=2><I>SMP Prices.</I></FONT><FONT SIZE=2> SMP prices (pursuant to Section 8.4.1) shall be calculated in the manner specified in the funding model attached as
Appendix 1 hereto.
<BR><BR></FONT></DD><DT style='margin-bottom:-11pt;'><FONT SIZE=2>(e)</FONT></DT><DD><FONT SIZE=2><I>Other Pricing.</I></FONT><FONT SIZE=2> All other pricing shall be in accordance with the Motorola iDEN Infrastructure Price Book currently in effect, as
updated from time to time by Motorola. </FONT></DD></DL>
</UL>

<P><FONT SIZE=2><B>4. New Agreement  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Motorola and Nextel Partners agree to negotiate in good faith and to make all reasonable efforts to finalize and execute the New Agreement within one-hundred and
twenty (120) days following Motorola entering into a new Supply Agreement with Nextel Communications, Inc. The New Agreement, when executed, shall supersede in its entirety the Agreement as amended by
this Amendment. </FONT></P>

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<DT style='margin-bottom:-11pt;'><FONT SIZE=2>*</FONT></DT><DD><FONT SIZE=2>Confidential
treatment requested. </FONT></DD></DL>
<P ALIGN="CENTER"><FONT SIZE=2>2</FONT></P>

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<P><FONT SIZE=2><B>5. Ratification  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Except as specifically stated in this Amendment, the Agreement is, in all other respects, ratified, confirmed and continues in full force and effect. </FONT></P>


<P><FONT SIZE=2><B>6. Authority  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each party hereto represents and warrants that: (i) it has obtained all necessary and requisite approvals, consents and authorizations of third parties and
governmental authorities to enter into this Amendment and to perform and carry out its obligations hereunder; (ii) the persons executing this Amendment on behalf of each party have express authority
to do so, and, in so doing, to bind the party thereto; (iii) the execution, delivery, and performance of this Amendment does not violate any
provision of any bylaw, charter, regulation, or any other governing authority of the party; and, (iv) the execution, delivery and performance of this Amendment has been duly authorized by all
necessary partnership or corporate action and this Amendment is a valid and binding obligation of such party, enforceable in accordance with its terms. </FONT></P>

<P><FONT SIZE=2><B>7. SEC Filing  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notwithstanding any non-disclosure or confidentiality agreements to the contrary, the Parties agree that Nextel Partners may, to the extent it deems it necessary,
file a copy of this Amendment with the Securities and Exchange Commission provided that the following items are redacted: All specific pricing information contained in Appendix 1, Funding Model. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IN
WITNESS WHEREOF, Motorola and Nextel Partners have entered into this Amendment as of the Effective Date first written above. </FONT></P>

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<TR VALIGN="TOP">
<TD COLSPAN=2><FONT SIZE=2><B>MOTOROLA, INC.<BR>
Global Telecom Solutions Sector</B></FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD COLSPAN=2><FONT SIZE=2><B>NEXTEL PARTNERS OPERATING CORP.</B></FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="8%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD WIDTH="41%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>CHARLES F. WRIGHT</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD WIDTH="41%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>DAVID L. AAS</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE></TD>
</TR>
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<TD WIDTH="8%"><FONT SIZE=2><BR>
Name:</FONT></TD>
<TD WIDTH="41%"><FONT SIZE=2><BR>
Charles F. Wright</FONT><HR NOSHADE></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2><BR>
Name:</FONT></TD>
<TD WIDTH="41%"><FONT SIZE=2><BR>
David L. Aas</FONT><HR NOSHADE></TD>
</TR>
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<TD WIDTH="8%"><FONT SIZE=2><BR>
Title:</FONT></TD>
<TD WIDTH="41%"><FONT SIZE=2><BR>
Sr VP &amp; GM GTSS-iDEN</FONT><HR NOSHADE></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="8%"><FONT SIZE=2><BR>
Title:</FONT></TD>
<TD WIDTH="41%"><FONT SIZE=2><BR>
Vice President</FONT><HR NOSHADE></TD>
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<P ALIGN="CENTER"><FONT SIZE=2><B>APPENDIX A<BR>
[Confidential Treatment Requested]  </B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>4</FONT></P>

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<FONT SIZE=2><A HREF="#toc_km1140_1">Exhibit 10.55(a)</A></FONT><BR>
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<FONT SIZE=2><A HREF="#toc_km1140_2">AMENDED AND RESTATED EXTENSION AMENDMENT TO IDEN INFRASTRUCTURE SUPPLY AGREEMENT</A></FONT><BR>

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