Filed Pursuant to Rule 424(b)(3)
Registration No. 333-109988
CUSIP No. 65333FAS6

11/2% Convertible Senior Notes due 2008

NEXTEL PARTNERS, INC.

PROSPECTUS SUPPLEMENT DATED FEBRUARY 20, 2004
TO PROSPECTUS DATED DECEMBER 18, 2003

        The selling security holders table on pages 25-27 of the prospectus, as supplemented, is hereby further amended to update the information with respect to and to include the following entities as selling security holders in the prospectus and to list their respective amounts of 11/2% convertible senior notes due 2008:

Name

  Principal Amount
at Maturity of
Notes Beneficially
Owned That
May Be Sold

  Percentage
of Notes
Outstanding

  Number of
Shares of Class A
Common Stock
That May
Be Sold

  Percentage of
Common Stock
Outstanding

CNH CA Master Account, L.P.   $ 2,000,000.00   1.60 % 156,617   *
ING Convertible Portfolio   $ 5,000,000.00   4.00 % 391,543   *
ING VP Convertible Portfolio   $ 100,000.00   *   7,831   *