<Page>
Exhibit 99.906.cert
FORM N-CSR ITEM 11(b) EXHIBIT
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
The undersigned hereby certify in their capacity as Treasurer and
President, respectively, of EATON VANCE INSURED MUNICIPAL BOND FUND II (the
"Fund"), that:
(a) the Annual Report of the Fund on Form N-CSR for the period ended
September 30, 2004 (the "Report") fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as
amended; and
(b) the information contained in the Report fairly presents, in all material
respects, the financial condition and the results of operations of the
Fund for such period.
A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO THE FUND AND WILL BE RETAINED BY THE FUND AND FURNISHED TO THE
SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.
Date: November 17, 2004
-----------------
/s/ James L. O'Connor
- ---------------------
James L. O'Connor
Treasurer
Date: November 17, 2004
-----------------
/s/ Thomas J. Fetter
- --------------------
Thomas J. Fetter
President
<Page>
Exhibit 99.906.cert
FORM N-CSR ITEM 11(b) EXHIBIT
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
The undersigned hereby certify in their capacity as Treasurer and
President, respectively, of EATON VANCE INSURED CALIFORNIA MUNICIPAL BOND FUND
II (the "Fund"), that:
(a) the Annual Report of the Fund on Form N-CSR for the period ended
September 30, 2004 (the "Report") fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as
amended; and
(b) the information contained in the Report fairly presents, in all material
respects, the financial condition and the results of operations of the
Fund for such period.
A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO THE FUND AND WILL BE RETAINED BY THE FUND AND FURNISHED TO THE
SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.
Date: November 17, 2004
-----------------
/s/ James L. O'Connor
- ---------------------
James L. O'Connor
Treasurer
Date: November 17, 2004
-----------------
/s/ Thomas J. Fetter
- --------------------
Thomas J. Fetter
President
<Page>
Exhibit 99.906.cert
FORM N-CSR ITEM 11(b) EXHIBIT
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
The undersigned hereby certify in their capacity as Treasurer and
President, respectively, of EATON VANCE INSURED FLORIDA MUNICIPAL BOND FUND (the
"Fund"), that:
(a) the Annual Report of the Fund on Form N-CSR for the period ended
September 30, 2004 (the "Report") fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as
amended; and
(b) the information contained in the Report fairly presents, in all material
respects, the financial condition and the results of operations of the
Fund for such period.
A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO THE FUND AND WILL BE RETAINED BY THE FUND AND FURNISHED TO THE
SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.
Date: November 17, 2004
-----------------
/s/ James L. O'Connor
- ---------------------
James L. O'Connor
Treasurer
Date: November 17, 2004
-----------------
/s/ Thomas J. Fetter
- --------------------
Thomas J. Fetter
President
<Page>
Exhibit 99.906.cert
FORM N-CSR ITEM 11(b) EXHIBIT
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
The undersigned hereby certify in their capacity as Treasurer and
President, respectively, of EATON VANCE INSURED MASSACHUSETTS MUNICIPAL BOND
FUND (the "Fund"), that:
(a) the Annual Report of the Fund on Form N-CSR for the period ended
September 30, 2004 (the "Report") fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as
amended; and
(b) the information contained in the Report fairly presents, in all material
respects, the financial condition and the results of operations of the
Fund for such period.
A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO THE FUND AND WILL BE RETAINED BY THE FUND AND FURNISHED TO THE
SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.
Date: November 17, 2004
-----------------
/s/ James L. O'Connor
- ---------------------
James L. O'Connor
Treasurer
Date: November 17, 2004
-----------------
/s/ Thomas J. Fetter
- --------------------
Thomas J. Fetter
President
<Page>
Exhibit 99.906.cert
FORM N-CSR ITEM 11(b) EXHIBIT
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
The undersigned hereby certify in their capacity as Treasurer and
President, respectively, of EATON VANCE INSURED MICHIGAN MUNICIPAL BOND FUND
(the "Fund"), that:
(a) the Annual Report of the Fund on Form N-CSR for the period ended
September 30, 2004 (the "Report") fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as
amended; and
(b) the information contained in the Report fairly presents, in all material
respects, the financial condition and the results of operations of the
Fund for such period.
A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO THE FUND AND WILL BE RETAINED BY THE FUND AND FURNISHED TO THE
SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.
Date: November 17, 2004
-----------------
/s/James L. O'Connor
- ---------------------
James L. O'Connor
Treasurer
Date: November 17, 2004
-----------------
/s/Thomas J. Fetter
- --------------------
Thomas J. Fetter
President
<Page>
Exhibit 99.906.cert
FORM N-CSR ITEM 11(b) EXHIBIT
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
The undersigned hereby certify in their capacity as Treasurer and
President, respectively, of EATON VANCE INSURED NEW JERSEY MUNICIPAL BOND FUND
(the "Fund"), that:
(a) the Annual Report of the Fund on Form N-CSR for the period ended
September 30, 2004 (the "Report") fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as
amended; and
(b) the information contained in the Report fairly presents, in all material
respects, the financial condition and the results of operations of the
Fund for such period.
A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO THE FUND AND WILL BE RETAINED BY THE FUND AND FURNISHED TO THE
SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.
Date: November 17, 2004
-----------------
/s/James L. O'Connor
- -----------------------
James L. O'Connor
Treasurer
Date: November 17, 2004
-----------------
/s/Thomas J. Fetter
- ------------------------
Thomas J. Fetter
President
<Page>
Exhibit 99.906.cert
FORM N-CSR ITEM 11(b) EXHIBIT
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
The undersigned hereby certify in their capacity as Treasurer and
President, respectively, of EATON VANCE INSURED NEW YORK MUNICIPAL BOND FUND II
(the "Fund"), that:
(a) the Annual Report of the Fund on Form N-CSR for the period ended
September 30, 2004 (the "Report") fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as
amended; and
(b) the information contained in the Report fairly presents, in all material
respects, the financial condition and the results of operations of the
Fund for such period.
A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO THE FUND AND WILL BE RETAINED BY THE FUND AND FURNISHED TO THE
SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.
Date: November 17, 2004
-----------------
/s/ James L. O'Connor
- ------------------------
James L. O'Connor
Treasurer
Date: November 17, 2004
-----------------
/s/ Thomas J. Fetter
- ------------------------
Thomas J. Fetter
President
<Page>
Exhibit 99.906.cert
FORM N-CSR ITEM 11(b) EXHIBIT
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
The undersigned hereby certify in their capacity as Treasurer and
President, respectively, of EATON VANCE INSURED OHIO MUNICIPAL BOND FUND (the
"Fund"), that:
(a) the Annual Report of the Fund on Form N-CSR for the period ended
September 30, 2004 (the "Report") fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as
amended; and
(b) the information contained in the Report fairly presents, in all material
respects, the financial condition and the results of operations of the
Fund for such period.
A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO THE FUND AND WILL BE RETAINED BY THE FUND AND FURNISHED TO THE
SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.
Date: November 17, 2004
-----------------
/s/ James L. O'Connor
- ---------------------
James L. O'Connor
Treasurer
Date: November 17, 2004
-----------------
/s/ Thomas J. Fetter
- --------------------
Thomas J. Fetter
President
<Page>
Exhibit 99.906.cert
FORM N-CSR ITEM 11(b) EXHIBIT
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
The undersigned hereby certify in their capacity as Treasurer and
President, respectively, of EATON VANCE INSURED PENNSYLVANIA MUNICIPAL BOND FUND
(the "Fund"), that:
(a) the Annual Report of the Fund on Form N-CSR for the period ended
September 30, 2004 (the "Report") fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as
amended; and
(b) the information contained in the Report fairly presents, in all material
respects, the financial condition and the results of operations of the
Fund for such period.
A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO THE FUND AND WILL BE RETAINED BY THE FUND AND FURNISHED TO THE
SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.
Date: November 17, 2004
-----------------
/s/James L. O'Connor
- ------------------------
James L. O'Connor
Treasurer
Date: November 17, 2004
-----------------
/s/Thomas J. Fetter
- -----------------------
Thomas J. Fetter
President