UNITED STATES
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

Date of Report (Date of earliest event reported): September 26, 2003

Arch Wireless, Inc.



(Exact Name of Registrant as Specified in Charter)


Delaware 001-14248 31-1358569



(State or Other Juris-
diction of Incorporation
(Commission
File Number)
(IRS Employer
Identification No.)


1800 West Park Drive, Suite 250
Westborough, MA


01581

(Address of Principal Executive Offices) (Zip Code)


Registrant’s telephone number, including area code: (508) 870-6700


(Former name or former address, if changed since last report)







Item 5. Other Events.

Effective September 26, 2003, a Supplemental Indenture, amending the Indenture governing the 12% Subordinated Secured Compounding Notes due 2009 (the “12% Notes”) issued by Arch Wireless Holdings, Inc. (“AWHI”), an indirect wholly-owned subsidiary of Arch Wireless, Inc., became effective. The Supplemental Indenture permits periodic market purchases or individually negotiated purchases by AWHI of up to 20% of the aggregate compounded value of the 12% Notes (approximately $22.4 million) at a price not to exceed 104% of the compounded value of the 12% Notes so purchased.












SIGNATURE


        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: September 26, 2003 ARCH WIRELESS, INC.


BY: /S/ J. ROY POTTLE
——————————————
J. Roy Pottle
Executive Vice President
and Chief Financial Officer












EXHIBIT INDEX


Exhibit No. Description
4.1 Supplemental Indenture, dated September 26, 2003, among Arch
Wireless Holdings, Inc., the guarantors listed therein and The Bank of
New York, as Trustee, relating to the 12% Subordinated Secured
Compounding Notes due 2009 of Arch Wireless Holdings, Inc.