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):  August 24, 2001

                               Arch Wireless, Inc.
               (Exact Name of Registrant as Specified in Charter)

            Delaware                000-23232/001-14248          31-1358569
  ----------------------------    -----------------------     ----------------
  (State or Other Jurisdiction       (Commission              (I.R.S. Employer
       of Incorporation)              File Numbers)          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

     Item 5.  Other Events.

     Default in Indebtedness

     On August 24, 2001, Arch Wireless Holdings, Inc. ("AWHI"), an indirect
wholly owned subsidiary of Arch Wireless, Inc. (the "Registrant"), defaulted
under that certain Third Amended and Restated Credit Agreement, dated as of
March 23, 2000, as amended, by and among AWHI, The Bank of New York as
administrative agent and the other lenders party thereto (the "Credit Agreement)
for nonpayment of interest due on August 21, 2001 under the Credit Agreement.

     In addition, AWHI has not paid when due a payment of $335,416.67 that was
due on August 24, 2001, under an interest rate swap agreement with First Union
National Bank.


   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:  August 27, 2001                 ARCH WIRELESS, INC.

                                       By: /s/ J. Roy Pottle
                                       Name:    J. Roy Pottle
                                       Title:   Executive Vice President and
                                                  Chief Financial Officer