FORM T-1
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                            STATEMENT OF ELIGIBILITY
                   UNDER THE TRUST INDENTURE ACT OF 1939 OF A
                    CORPORATION DESIGNATED TO ACT AS TRUSTEE

                      CHECK IF AN APPLICATION TO DETERMINE
                      ELIGIBILITY OF A TRUSTEE PURSUANT TO
                             SECTION 305(b)(2) |__|
                           ---------------------------

                              THE BANK OF NEW YORK
               (Exact name of trustee as specified in its charter)

New York                                              13-5160382
(State of incorporation                               (I.R.S. employer
if not a U.S. national bank)                          identification no.)

One Wall Street, New York, N.Y.                       10286
(Address of principal executive offices)              (Zip code)
                           ---------------------------

                           AMERICAN TOWER CORPORATION
               (Exact name of obligor as specified in its charter)

Delaware                                                65-0723837
(State or other jurisdiction of                         (I.R.S. employer
incorporation or organization)                          identification no.)

116 Huntington Avenue
Boston, Massachusetts                                   02116
(Address of principal executive offices)                (Zip code)

                           ---------------------------

                                 Debt Securities
                       (Title of the indenture securities)

1. General information. Furnish the following information as to the Trustee: (a) Name and address of each examining or supervising authority to which it is subject. Name Address Superintendent of Banks of the State of New York 2 Rector Street, New York, N.Y. 10006, and Albany, N.Y. 12203 Federal Reserve Bank of New York 33 Liberty Plaza, New York, N.Y. 10045 Federal Deposit Insurance Corporation Washington, D.C. 20429 New York Clearing House Association New York, New York 10005 (b) Whether it is authorized to exercise corporate trust powers. Yes. 2. Affiliations with Obligor. If the obligor is an affiliate of the trustee, describe each such affiliation. None. 16. List of Exhibits. Exhibits identified in parentheses below, on file with the Commission, are incorporated herein by reference as an exhibit hereto, pursuant to Rule 7a-29 under the Trust Indenture Act of 1939 (the "Act") and 17 C.F.R. 229.10(d). 1. A copy of the Organization Certificate of The Bank of New York (formerly Irving Trust Company) as now in effect, which contains the authority to commence business and a grant of powers to exercise corporate trust powers. (Exhibit 1 to Amendment No. 1 to Form T-1 filed with Registration Statement No. 33-6215, Exhibits 1a and 1b to Form T-1 filed with Registration Statement No. 33-21672 and Exhibit 1 to Form T-1 filed with Registration Statement No. 33-29637.) 4. A copy of the existing By-laws of the Trustee. (Exhibit 4 to Form T-1 filed with Registration Statement No. 33-31019.) 6. The consent of the Trustee required by Section 321(b) of the Act. (Exhibit 6 to Form T-1 filed with Registration Statement No. 33-44051.) -2-

7. A copy of the latest report of condition of the Trustee published pursuant to law or to the requirements of its supervising or examining authority. -3-

SIGNATURE Pursuant to the requirements of the Act, the Trustee, The Bank of New York, a corporation organized and existing under the laws of the State of New York, has duly caused this statement of eligibility to be signed on its behalf by the undersigned, thereunto duly authorized, all in The City of New York, and State of New York, on the 21st day of July, 2000. THE BANK OF NEW YORK By: /s/MARY BETH A. LEWICKI --------------------------- Name: MARY BETH A. LEWICKI Title: VICE PRESIDENT -4-

Consolidated Report of Condition of THE BANK OF NEW YORK of One Wall Street, New York, N.Y. 10286 And Foreign and Domestic Subsidiaries, a member of the Federal Reserve System, at the close of business December 31, 1999, published in accordance with a call made by the Federal Reserve Bank of this District pursuant to the provisions of the Federal Reserve Act. Dollar Amounts In Thousands ASSETS Cash and balances due from depository institutions: Noninterest-bearing balances and currency and coin ............................................. $ 3,247,576 Interest-bearing balances .............................. 6,207,543 Securities: Held-to-maturity securities ............................ 827,248 Available-for-sale securities .......................... 5,092,464 Federal funds sold and Securities purchased under agreements to resell ............................. 5,306,926 Loans and lease financing receivables: Loans and leases, net of unearned income ............................................... 37,734,000 LESS: Allowance for loan and lease losses ......................................... 575,224 LESS: Allocated transfer risk reserve .............................................. 13,278 Loans and leases, net of unearned income, allowance, and reserve ............................... 37,145,498 Trading Assets ............................................ 8,573,870 Premises and fixed assets (including capitalized leases) .................................... 723,214 Other real estate owned ................................... 10,962 Investments in unconsolidated subsidiaries and associated companies ............................... 215,006 Customers' liability to this bank on acceptances outstanding ................................ 682,590 Intangible assets ......................................... 1,219,736 Other assets .............................................. 2,542,157 ------------ Total assets .............................................. $ 71,794,790 ============

LIABILITIES Deposits: In domestic offices .................................... $ 27,551,017 Noninterest-bearing .................................... 11,354,172 Interest-bearing ....................................... 16,196,845 In foreign offices, Edge and Agreement subsidiaries, and IBFs ............................... 27,950,004 Noninterest-bearing .................................... 639,410 Interest-bearing ....................................... 27,310,594 Federal funds purchased and Securities sold under agreements to repurchase ......................... 1,349,708 Demand notes issued to the U.S.Treasury ................... 300,000 Trading liabilities ....................................... 2,339,554 Other borrowed money: With remaining maturity of one year or less .................................................. 638,106 With remaining maturity of more than one year through three years .............................. 449 With remaining maturity of more than three years ........................................... 31,080 Bank's liability on acceptances executed and outstanding ............................................ 684,185 Subordinated notes and debentures ......................... 1,552,000 Other liabilities ......................................... 3,704,252 ------------ Total liabilities ......................................... 66,100,355 ============ EQUITY CAPITAL Common stock .............................................. 1,135,284 Surplus ................................................... 866,947 Undivided profits and capital reserves .................... 3,765,900 Net unrealized holding gains (losses) on available-for-sale securities .......................... (44,599) Cumulative foreign currency translation adjustments ............................................ (29,097) ------------ Total equity capital ...................................... 5,694,435 ------------ Total liabilities and equity capital ...................... $ 71,794,790 ============

I, Thomas J. Mastro, Senior Vice President and Comptroller of the above-named bank do hereby declare that this Report of Condition has been prepared in conformance with the instructions issued by the Board of Governors of the Federal Reserve System and is true to the best of my knowledge and belief. Thomas J. Mastro We, the undersigned directors, attest to the correctness of this Report of Condition and declare that it has been examined by us and to the best of our knowledge and belief has been prepared in conformance with the instructions issued by the Board of Governors of the Federal Reserve System and is true and correct. Thomas A. Renyi Alan R. Griffith Directors Gerald L. Hassell