EXHIBIT 99.1

CERTIFICATION

Pursuant to Section 906 of the Corporate Fraud Accountability Act
of 2002 (18 U.S.C. Section 1350, as adopted), Robert J. Fabbricatore,
Chief Executive Officer of CTC Communications Group, Inc. (the
"Company"), and John D. Pittenger, the Company's Chief Financial
Officer, each hereby certify that, to the best of their knowledge:

1.    The Company's Quarterly Report on Form 10-Q for the period
ended June 30, 2002, and to which this Certification is attached as
Exhibit 99.1 (the "Quarterly Report"), fully complies with the
requirements of section 13(a) or section 15(d) of the Securities
Exchange Act of 1934; and

2.    The information contained in the Quarterly Report fairly
presents, in all material respects, the financial condition and results
of operations of the Company.

IN WITNESS WHEREOF, the undersigned have set their hands hereto as
of this 14th day of August, 2002.


/s/ Robert J. Fabbricatore
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Robert J. Fabbricatore,
Chief Executive Officer


/s/ John D. Pittenger
--------------------------
John D. Pittenger,
Chief Financial Officer