<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 JANUARY 28, 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>
Bankers Life and Casualty Company-- $ 2,000,000 $ 2,000,000 0 0
Convertible
CIBC World Markets $ 3,000,000 $ 3,000,000 0 0
Conseco Annuity Assurance Company-- $ 1,700,000 $ 1,700,000 0 0
Convertible
Conseco Health Insurance Company-- $ 2,750,000 $ 2,750,000 0 0
Convertible
Conseco Senior Health Insurance $ 2,750,000 $ 2,750,000 0 0
Company--Convertible
Delphi Foundation, Inc. $ 12,000 $ 12,000 0 0
General Motors Employees
Global Group Pension Trust $ 2,280,000 $ 2,280,000 0 0
General Motors Foundation, Inc. $ 117,000 $ 117,000 0 0
GLG Market Neutral Fund $30,000,000 $30,000,000 0 0
Goldman Sachs and Company/(1)/ $ 6,375,000 $ 6,375,000 0 0
HBK Master Fund L.P. $ 5,200,000 $ 5,200,000 0 0
Motors Insurance Corporation $ 591,000 $ 591,000 0 0
</TABLE>
/(1)/ This entity and/or its affiliates have provided, and may from time to time
provide, investment banking services to Nextel, including, among other things,
acting as lead and/or co-manager with respect to offerings of debt and equity
securities.
