United States

                       Securities and Exchange Commission

                             Washington, D.C. 20549


                                    Form 11-K



[X]  ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE
     ACT OF 1934


                   For the fiscal year ended December 31, 2000


                                       OR


[ ]  TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE
     ACT OF 1934


                          Commission file number 1-7784


A.  Full title of the plan and the address of the plan, if different from that
    of the issuer named below:


                        CENTURYTEL SECURITY SYSTEMS, INC.
                             401 (k) PLAN AND TRUST


B.  Name of issuer of the securities held pursuant to the plan and the address
    of its principal executive office:


                                CENTURYTEL, INC.
                              100 CENTURYTEL DRIVE
                                MONROE, LA 71203





                          Independent Auditors' Report



The Board of Directors
CenturyTel, Inc.:

We have audited the accompanying statements of net assets available for benefits
of CenturyTel Security Systems, Inc. 401 (k) Plan and Trust as of December 31,
2000 and September 30, 2000, and the related statement of changes in net assets
available for benefits for the three month period ended December 31, 2000. These
financial statements are the responsibility of the Plan's management. Our
responsibility is to express an opinion on these financial statements based on
our audits.

We conducted our audits in accordance with auditing standards generally accepted
in the United States of America. Those standards require that we plan and
perform the audit to obtain reasonable assurance about whether the financial
statements are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. An audit also includes assessing the accounting principles used and
significant estimates made by management, as well as evaluating the overall
financial statement presentation. We believe that our audits provide a
reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in
all material respects, the net assets available for benefits of CenturyTel
Security Systems, Inc. 401(k) Plan and Trust as of December 31, 2000 and
September 30, 2000, and the changes in net assets available for benefits for the
three month period ended December 31, 2000, in conformity with accounting
principles generally accepted in the United States of America.

Our audits were performed for the purpose of forming an opinion on the basic
financial statements taken as a whole. The supplemental schedule of assets (held
at end of year) is presented for the purpose of additional analysis and is not a
required part of the basic financial statements but is supplementary information
required by the Department of Labor's Rules and Regulations for Reporting and
Disclosure under the Employee Retirement Income Security Act of 1974. This
supplemental schedule is the responsibility of the Plan's management. The
supplemental schedule has been subjected to the auditing procedures applied in
the audit of the basic financial statements and, in our opinion, is fairly
stated in all material respects in relation to the basic financial statements
taken as a whole.

KPMG LLP


/s/ KPMG LLP

Shreveport, Louisiana
June 29, 2001







                        CENTURYTEL SECURITY SYSTEMS, INC.
                             401 (k) PLAN AND TRUST
                 Statements of Net Assets Available for Benefits
                    December 31, 2000 and September 30, 2000





                                                  December 31,     September 30,
                                                     2000             2000
-------------------------------------------------------------------------------
                                                                
PLAN ASSETS
   Investments, at fair value                    $   83,253           85,037
   Contribution receivable - participants             1,629              927
   Cash                                                   -                2
-------------------------------------------------------------------------------
NET ASSETS AVAILABLE FOR BENEFITS                $   84,882           85,966
===============================================================================




See accompanying notes to financial statements.





                        CENTURYTEL SECURITY SYSTEMS, INC
                             401 (k) PLAN AND TRUST
            Statement of Changes in Net Assets Available for Benefits
               For the three month period ended December 31, 2000




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

                                                               
Additions to net assets:
Investment income (loss)
    Net depreciation in fair value of investments                   $ (15,211)
    Dividends and interest                                              6,233
-----------------------------------------------------------------------------
       Net investment income (loss)                                    (8,978)
-----------------------------------------------------------------------------

Contributions:
    Participants                                                       10,411
-----------------------------------------------------------------------------

       Total additions                                                  1,433
-----------------------------------------------------------------------------

Deductions from net assets:
    Participant withdrawals                                             2,517
-----------------------------------------------------------------------------

Net decrease                                                           (1,084)
-----------------------------------------------------------------------------

Net Assets available for benefits:
    Beginning of period                                                85,966
-----------------------------------------------------------------------------

    End of period                                                   $  84,882
=============================================================================




See accompanying notes to financial statements.





                        CENTURYTEL SECURITY SYSTEMS, INC.
                             401 (k) PLAN AND TRUST
                          Notes to Financial Statements
                                December 31, 2000


(1)   SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PROVISIONS OF THE PLAN

      Basis of Presentation

      The CenturyTel Security Systems Inc., 401(k) Plan and Trust (the Plan) was
      established on June 1, 1997. The accompanying financial statements of the
      Plan have been prepared on the accrual basis of accounting and present the
      net assets available for benefits and changes in net assets available for
      benefits. The Plan has made estimates in preparing the accompanying
      financial statements in accordance with accounting principles generally
      accepted in the United States of America. Actual results could differ from
      those estimates.

      The assets of the Plan are invested by the Trustee in various investment
      programs (funds) which are described in Note 2.

      The following description of the Plan provides only general information.
      Participants should refer to the Plan Document for a more complete
      description of the Plan's provisions.

      Participation

      Participation in the Plan is available to each employee of CenturyTel
      Security Systems, Inc. (the Company), other than those who are classified
      as temporary employees or employees covered under a collective bargaining
      agreement.

      In order to participate in the Plan, an employee must execute a Salary
      Deferral Agreement with the Company. In the Salary Deferral Agreement, an
      employee agrees to a deferral of between one percent and sixteen percent
      of compensation. The percentage of compensation a participant elects to
      defer applies to the participant's base pay plus certain incentive
      compensation received, including certain cash bonuses, commissions, and
      lump sums granted in lieu of pay increases. The amount of compensation
      deferred by each participant is credited to an account (Elective Deferral
      Account) maintained for each participant by the Trustee. The Elective
      Deferral Account is self-directed.

      The Board of Directors of the Company may, at its discretion, elect at the
      end of each year to contribute an additional amount to participants'
      accounts (Additional Match Account).

      An employee is permitted to transfer to the Plan as a contribution his
      interest in another plan qualified under the Internal Revenue Code, as
      amended (the Code). Such contribution must qualify as a "rollover"
      contribution described in Section 402(c) or 408 (d)(3) of the Code. Such a
      rollover will be credited to a rollover account on behalf of the
      participant (the Rollover/Transfer Account).

      The interest of a participant in his Elective Deferral Account, his
      Rollover/Transfer Account and his Additional Match Account is fully vested
      and non-forfeitable at all times.

      Reports to Participants

      All participants are furnished with quarterly statements which set forth
      the status of their accounts in the Plan.

      Distributions

      If the employment of a participant with the employer ceases because of
      death, retirement, disability, termination of employment or for any other
      reason, the participant's entire interest in the Plan may be distributed
      to him or to his beneficiary in a lump sum. If the participant dies
      without designating a beneficiary, his beneficiary shall be, in the order
      listed, (i) his spouse, (ii) his children, or (iii) his estate.

      Withdrawals

      A participant who is an employee and over age 59 1/2 may make withdrawals
      from his vested accounts prior to meeting normal distribution
      requirements. In addition, a hardship withdrawal may be made from a
      Elective Deferral Account or a Rollover/Transfer Account only as a result
      of financial hardship related to unreimbursable educational expenses,
      medical expenses which are not reimbursable by insurance, the need to pay
      for the funeral expenses of a family member, the purchase of a principal
      residence of the Participant, or the prevention of eviction or foreclosure
      from the Participant's principal residence. The determination of the
      existence of a financial hardship and the amount required to be
      distributed to meet the need created by the hardship shall be made
      uniformly and without discrimination at the sole discretion of the Plan
      Administrator.

      Plan Termination

      Although it has not expressed any intent to do so, the Company has the
      right under the Plan to discontinue its contributions at any time and to
      change, suspend or terminate the Plan subject to the provisions of the
      Employee Retirement Income Security Act of 1974.

      Loans to Participants

      The Plan has a provision whereby a participant can borrow from his
      Participant Contribution Account or Participant Rollover Account. The
      maximum loan is 50% of the account balance, up to $50,000. The loans are
      repaid through payroll deductions and the interest rate is the prime rate
      published in the Wall Street Journal for the last business day of the
      previous quarter plus 1%. The loan repayment period may not exceed five
      years except for loans for the purchase of the Participant's principal
      residence which may be for any period not to exceed fifteen years.

      Trustee

      The Trustee of the Plan, as of December 31, 2000, was T. Rowe Price Trust
      Company (T. Rowe Price). The Board of Directors of the Company may remove
      the Trustee and appoint a successor trustee. The Company and the Trustee
      have entered into a Trust Agreement which provides for the establishment
      of a Trust for the purpose of holding and investing the contributions to
      the Trust pursuant to the provisions of the Plan.

      Administration

      The Company has appointed a committee to administer the Plan. The
      individuals who administer the Plan serve at the discretion of the Board
      of Directors of the Company and may be removed by the Board of Directors
      at any time. The administrative costs of the Plan are paid by the Company.

      Investment Valuation and Income Recognition

      Investments in CenturyTel Common Stock are valued at the closing market
      price on December 31, 2000 . Other investments in the funds, which consist
      of shares of mutual funds, are valued by the Trustee based on the market
      value at year-end of the underlying assets of each fund. Purchases and
      sales of securities are recorded on a trade date basis. Interest income is
      recorded on the accrual basis.

      Plan Amendment and Restatement

      Effective  September  1, 2000,  the Plan was  amended  and  restated.  The
      amendment and restatement  effectuated a change in the name of the Plan to
      the CenturyTel Security Systems, Inc. 401(k) Plan and Trust from the Delta
      Security Alarm Company, Inc. 401(k) Plan.  Additionally,  Vernon E. Henson
      was removed as trustee and  replaced by T. Rowe Price Trust  Company.  The
      amendment  and  restatement  also changed the Plan year to a calendar year
      effective October 1, 2000.

      New Accounting Pronouncements

      In June 1998,  the Financial  Accounting  Standards  Board issued SFAS No.
      133, "Accounting for Derivative Instruments and Hedging Activities" ("SFAS
      No.133").  SFAS No. 133 requires that an entity  recognize all derivatives
      and measure those instruments at fair value.

      SFAS No. 133 is effective for fiscal years  beginning after June 15, 2000.
      Pursuant  to SFAS No.  137,  the Plan is  required  to adopt  SFAS No. 133
      effective  January 1, 2001.  Management has determined  that the impact of
      SFAS No. 133 on the Plan Financial statements would be immaterial.

(2)   DESCRIPTION OF THE FUNDS

      The following is a description of each of the funds which had outstanding
      balances and were available to Plan participants as of December 31, 2000:

      (a)  Janus Overseas Fund - consists primarily of investments in foreign
           equity securities ($22,291 and $25,256 at December 31, 2000 and
           September 30, 2000, respectively).

      (b)  Janus Fund - consists primarily of investments in U. S. and foreign
           equity securities ($20,970 and $24,155 at December 31, 2000 and
           September 30, 2000, respectively).

      (c)  T. Rowe Price Equity Index 500 Fund - consists primarily of
           investments in the same stocks and in substantially the same
           percentages as the S & P 500 Index ($24,521 and $23,493 at December
           31, 2000 and September 30, 2000, respectively).

      (d)  T. Rowe Price Equity Income Fund - consists primarily of investments
           in U. S. and foreign common stocks ($10,523 and $9,610 at December
           31, 2000 and September 30, 2000, respectively).

      (e)  T. Rowe Price Summit Cash Reserves Fund - consists primarily of
           investments in various money market instruments ($3,024 and $2,339 at
           December 31, 2000 and September 30, 2000, respectively).

      (f)  PIMCO Total Return Fund - consists primarily of investments in debt
           securities ($254 and $184 at December 31, 2000 and September 30,
           2000, respectively).

      (g)  CenturyTel Common Stock Fund - consists of shares of CenturyTel
           Common Stock ($840 at December 31, 2000).

      (h)  T. Rowe Price Mid-Cap Growth Fund - consists primarily of investments
           in common stocks of companies whose market capitalization falls
           within the range of companies in the S&P MidCap 400 Index ($590 at
           December 31, 2000).

      (i)  BGI LifePath 2010 Fund - consists primarily of investments in U. S.
           and foreign equity and debt securities and money market instruments
           and is managed for investors planning to retire (or begin to withdraw
           substantial portions of their investment) around the year 2010
           ($1 at December 31, 2000).

      (j)  BGI LifePath 2020 Fund - consists primarily of investments in U. S.
           and foreign equity and debt securities and money market instruments
           and is managed for investors planning to retire (or begin to withdraw
           substantial portions of their investment) around the year 2020
           ($142 at December 31, 2000).

      (k)  Morgan Stanley Dean Witter Small Company Growth Portfolio Fund -
           consists primarily of investments in equity securities of small
           companies ($97 at December 31, 2000).

      Investments in Janus Overseas Fund, Janus Fund, T. Rowe Price Equity Index
      500 Fund, and T. Rowe Price Equity Income Fund were each greater than 5%
      of assets available for benefits at December 31, 2000.

      A participant may instruct that his contribution be allocated among the
      various funds. A participant may change his investment allocation
      instructions and his contribution percentage at any time.

(3)   INCOME TAXES

      The Plan and related trust were designed to meet the necessary
      requirements of Internal Revenue Code Section 401(a) and, accordingly, the
      trust underlying the Plan is exempt from income taxation pursuant to
      Internal Revenue Code Section 501(a). A favorable determination letter
      from the Internal Revenue Service has not been obtained for the Plan as
      currently amended and restated. A request for such is to be filed.
      However, the Plan administrator believes that the Plan is designed and is
      currently being operated in compliance with the applicable provisions of
      the Internal Revenue Code.

(4)   RELATED PARTY TRANSACTIONS

      Certain Plan investments are shares of mutual funds managed by T. Rowe
      Price, Janus Capital Corporation (Janus), Barclays Global Fund Advisors
      (Barclays), Morgan Stanley Dean Witter Investment Management Inc. (Morgan
      Stanley) or Pacific Investment Management Company (PIMCO). T. Rowe Price
      is the Trustee as defined by the Plan. Therefore, T. Rowe Price, Janus,
      Barclays, Morgan Stanley and PIMCO qualify as parties-in-interest. Fees
      paid by the Company to T. Rowe Price for trustee, record keeping and other
      services amounted to $3,025 for the three month period ended December 31,
      2000.

(5)   CONCENTRATION OF INVESTMENTS

      Substantially all of the assets available for benefits were invested in
      mutual funds managed by T. Rowe Price, Janus, Barclays, Morgan Stanley or
      PIMCO. The remaining assest available for benefits were invested in
      CenturyTel Common Stock.







                        CENTURYTEL SECURITY SYSTEMS, INC.
                             401 (k) PLAN AND TRUST

         Schedule H, Line 4i - Schedule of Assets (Held at End of Year)

                                December 31, 2000





    Identity of issuer, borrower,                 Description           Current               Value Per
       lessor or similar party                  of Investment            Value                  Share
--------------------------------------------------------------------------------------------------------
                                                                                   
Investment in CenturyTel Common Stock                24  shares        $    840                35.75

Investment in Mutual Funds for
   Qualified Employee Benefit Plans:
    Managed by Janus:
       Janus Overseas Fund                          840  shares          22,291    (Note 1)    26.54
       Janus Fund                                   630  shares          20,970    (Note 1)    33.29
Investment in Mutual Funds for
   Qualified Employee Benefit Plans:
    Managed by T. Rowe Price:
       Equity Income Fund                           427  shares          10,523    (Note 1)    24.67
       Equity Index 500 Fund                        691  shares          24,521    (Note 1)    35.50
       Mid-Cap Growth Fund                           15  shares             590                39.79
       Summit Cash Reserves  Fund                 3,024  shares           3,024                 1.00
Investments in Mutual Funds for
   Qualified Employee Benefit Plans
      Managed by PIMCO:
           PIMCO  Total Return Fund                  24  shares             254                10.39
Investments in Mutual Funds for
   Qualified Employee Benefit Plans
      Managed by Barclays:
           LifePath 2010 Fund                        .1  shares               1                12.61
           LifePath 2020 Fund                         9  shares             142                15.04
Investments in Mutual Funds for
     Qualified Employee Benefit Plans
        Managed by Morgan Stanley:
            Small Company Growth Portfolio Fund       9  shares              97                10.68
--------------------------------------------------------------------------------------------------------

                                                                       $ 83,253
========================================================================================================



T. Rowe Price, Janus, PIMCO, Barclays and Morgan Stanley are considered
parties-in-interest. Additionally, CenturyTel, Inc., as sponsor of the Plan, is
considered a party-in-interest.

Notes: (1) These investments are greater than 5% of assets available for
           benefits.

       (2) Information on cost of investments is excluded as all investments
           are participant directed.








                                    SIGNATURE



Pursuant to the requirements of the Securities Exchange Act of 1934, the
Retirement Committee has duly caused this annual report to be signed on it
behalf by the undersigned thereunto duly authorized.



                                        CenturyTel Security Systems, Inc.
                                        401 (k) Plan and Trust


July 12, 2001                           /s/R. Stewart Ewing, Jr.
                                        ----------------------------------
                                        R. Stewart Ewing, Jr.
                                        Retirement Committee Member and
                                        Executive Officer of Issuer of
                                        Plan Securities