1 ARCH WIRELESS, INC. ARCH WIRELESS COMMUNICATIONS, INC. ARCH TRANSITION CORP. ARCH WIRELESS HOLDINGS, INC. 1800 West Park Drive, Suite 250 Westborough, MA 01581 July 23, 2000 VIA EDGAR Securities and Exchange Commission 450 Fifth Street, N.W. Judiciary Plaza Washington, D.C. 20549 Attention: Patrick J. O'Leary Re: Rule 477 Application for Withdrawal Arch Wireless, Inc. - Form S-4 (File No. 333-61434) Arch Wireless Communications, Inc. - Form S-4 (File No. 333-61434-01) Arch Transition Corp. - Form S-4 (File No. 333-61434-02) Arch Wireless Holdings, Inc. - Form S-4 (File No. 333-61434-03) --------------------------------------------------------------- Ladies and Gentlemen: Pursuant to Rules 477(a) and (b) promulgated under the Securities Act of 1933, as amended, each of Arch Wireless, Inc., Arch Wireless Communications, Inc., Arch Transition Corp. and Arch Wireless Holdings, Inc. (collectively, the "Arch Companies") hereby withdraws the above-referenced registration statement on Form S-4 (the "Registration Statement"), effective upon the date of filing of this letter with the Securities and Exchange Commission, unless the Commission objects thereto within 15 days after such filing. The Arch Companies are withdrawing the Registration Statement because they have determined not to proceed with the transactions contemplated thereby. The Arch Companies confirm that no securities of any of the Arch Companies have been or will be issued or sold under the Registration Statement. If you have any questions or comments or require further information or documentation, please do not hesitate to call the undersigned at (508) 870-6700 or Edward Young, Esq. or David Westenberg, Esq., of Hale and Dorr LLP, outside counsel to the Arch Companies, at (617) 526-6000. Sincerely, /s/ J. Roy Pottle -------------------------------- J. Roy Pottle Executive Vice President and Chief Financial Officer of each of the Arch Companies