<PAGE>
Filed Pursuant to Rule 424(b)(3)
Registration No. 333-88971
4 3/4% Convertible Senior Notes due 2007 CUSIP No. 65332VAR4
NEXTEL COMMUNICATIONS, INC.
PROSPECTUS SUPPLEMENT DATED MARCH 22, 2000
TO PROSPECTUS DATED DECEMBER 3, 1999
The selling stockholders table on pages 21-24 of the prospectus, as
amended, is hereby further amended to update the information regarding the
following entities in the prospectus and their respective amounts of 4 3/4%
convertible senior notes due 2007.
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<CAPTION>
CONVERTIBLE NOTES COMMON STOCK
--------------------------- -----------------
PRINCIPAL PRINCIPAL
AMOUNT OF AMOUNT OF NUMBER OF
CONVERTIBLE CONVERTIBLE NUMBER OF SHARES
NAME OF SELLING STOCKHOLDER NOTES OWNED NOTES OFFERED SHARES OWNED OFFERED
----------- ------------- ------------ ----------
<S> <C> <C> <C> <C>
Boulder Capital Inc. $4,250,000 $4,250,000 0 0
Boulder II Limited $9,700,000 $9,700,000 0 0
Onex Industrial Partners Limited $3,300,000 $3,300,000 0 0
Pebble Capital Inc. $3,750,000 $3,750,000 0 0
Teffories & Company $5,000 $5,000 0 0
</TABLE>
