CONSENT OF ERNST & YOUNG LLP
We consent to the incorporation by reference in the Registration Statement (Form
S-8) pertaining to the Choice One Communications, Inc. 401(k) Plan of our
reports dated November 10, 1999, with respect to the financial statements of
Atlantic Connections, Inc. and Atlantic Connections, Ltd., respectively, and our
report dated June 4, 1999 (except for Note 9, as to which the date is November
3, 1999) with respect to the consolidated financial statements of Atlantic
Connections, LLC, included in the Registration Statement (Form S-1 No.
333-91321) and related Prospectus of Choice One Communications Inc., filed with
the Securities and Exchange Commission.
/s/ ERNST & YOUNG LLP
Boston, Massachusetts
October 19, 2000
