UNITED STATES

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                  FORM 10-Q/A


[X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES  EXCHANGE
    ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2000, OR

[ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE
    ACT OF 1934

                         COMMISSION FILE NUMBER 0-29375

                        SAVVIS COMMUNICATIONS CORPORATION
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

            DELAWARE                                    43-1809960
   (STATE OR OTHER JURISDICTION OF                   (I.R.S. EMPLOYER
    INCORPORATION OR ORGANIZATION)                  IDENTIFICATION NO.)

                              12851 WORLDGATE DRIVE
                                   HERNDON, VA                20170

                   (ADDRESS OF PRINCIPAL EXECUTIVE OFFICE)  (ZIP CODE)

                                 (703) 234-8000
              (REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE)

    Indicate by check mark whether the registrant (1) has filed all reports
     required to be filed by Section 13 or 15(d) of the Securities Exchange
         Act of 1934 during the preceding 12 months (or for such shorter
          period that the registrant was required to file such reports),
              and (2) has been subject to such filing requirements
                      for the past 90 days. Yes /X/ No /_/

                COMMON STOCK, $.01 PAR VALUE - 93,742,687 SHARES
                       OUTSTANDING AS OF NOVEMBER 6, 2000
   (INDICATE THE NUMBER OF SHARES OUTSTANDING OF EACH OF THE ISSUER'S CLASSES
               OF COMMON STOCK, AS OF THE LATEST PRACTICABLE DATE)



<PAGE>

EXPLANATORY NOTE:

             SAVVIS Communications Corporation hereby amends and supplements its
Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2000,
as filed with the  Securities  and  Exchange  Commission  on November  14, 2000,
solely to file the Nortel Networks Global  Purchase  Agreement,  effective as of
June 30, 2000, between SAVVIS Communications Corporation, a Missouri corporation
and Nortel  Networks  Inc.  as an exhibit  and to amend and  restate the Exhibit
Index contained in Part II, Item 6(a) of the Form 10-Q.


<PAGE>
ITEM 6. EXHIBITS AND REPORTS ON FORM 8-K.

(a) Exhibits.  The following exhibits are either provided with this Form 10-Q or
are incorporated herein by reference.

EXHIBIT INDEX
<TABLE>
<CAPTION>

NUMBER    EXHIBIT DESCRIPTION
<S>      <C>
3.1*     Amended and Restated Certificate of Incorporation  of  the  Registrant
3.2*     Certificate  of  Amendment  to  Amended  and  Restated  Certificate  of
         Incorporation of the Registrant
3.3*     Amended and Restated Bylaws of the Registrant
4.1*     Form of Common Stock Certificate
10.1+**  Amended and Restated Credit  Agreement,  dated as of September 5, 2000,
         by and  among  the  Registrant,  as  guarantor,  SAVVIS  Communications
         Corporation,  a Missouri corporation,  as borrower, and Nortel Networks
         Inc., as administrative agent, and the lenders named therein.
10.2**   Pledge  Agreement,  dated as of September  5, 2000,  by and between the
         Registrant and Nortel  Networks Inc., as  administrative  agent for the
         lenders.
10.3**   Amended  and  Restated  Pledge  and  Security  Agreement,  dated  as of
         September 5, 2000, by and between SAVVIS Communications  Corporation, a
         Missouri  corporation and Nortel Networks Inc., as administrative agent
         for the lenders.
10.4**   Pledge and Security  Agreement,  dated as of September 5, 2000,  by and
         between  Global  Network  Assets,  LLC and  Nortel  Networks  Inc.,  as
         administrative agent for the lenders.
10.5**   Amended and Restated Guaranty Agreement, dated as of September 5, 2000,
         delivered by the Registrant to and in favor of Nortel Networks Inc., as
         administrative agent for itself and the other lenders.
10.6**   Amended and Restated Guaranty Agreement, dated as of September 5, 2000,
         delivered  by  Global  Network  Assets,  LLC to and in favor of  Nortel
         Networks  Inc.,  as  administrative  agent  for  itself  and the  other
         lenders.
10.7+**  Long Haul IRU  Agreement,  dated as of August 2, 2000,  between  SAVVIS
         Communications   Corporation,   a  Missouri  corporation  and  Level  3
         Communications, LLC.
10.8+**  Metro  IRU  Agreement,  dated as of  August  2,  2000,  between  SAVVIS
         Communications   Corporation,   a  Missouri  corporation  and  Level  3
         Communications, LLC.
10.9+**  Arena Naming Rights Agreement, dated as of August 17, 2000,  among  the
         Registrant, Kiel Center Partners, L.P.  and Bridge Information Systems,
         Inc.
10.10+** Master   Agreement,   dated  as  of  June  30,  2000,   between  SAVVIS
         Communications   Corporation,   a  Missouri   corporation  and  Winstar
         Wireless,  Inc.,  as amended by that  certain  Letter  Agreement  dated
         September 29, 2000.
10.11+   Nortel  Networks Global  Purchase  Agreement,  effective as of June 30,
         2000, between SAVVIS Communications Corporation, a Missouri corporation
         and Nortel Networks Inc.
11.1**   Calculation of Basic and Diluted per share and weighted  average shares
         used in EPS calculation for the three months ended September 30, 2000
11.2**   Calculation of Basic and Diluted per share and weighted  average shares
         used in EPS calculation for the nine months ended September 30, 2000
27.1**   Financial Data Schedule for the three- and  nine-months ended September
         30, 2000.
</TABLE>

* Incorporated by reference to the same numbered exhibit to SAVVIS' Registration
Statement on Form S-1, as amended (File No. 333-90881).
** Previously  filed as part of the Form  10-Q  for the  quarterly  period ended
September 30, 2000.

+  Confidential treatment has been requested with respect to certain portions of
this agreement.

(b) Reports on Form 8-K.

 None.



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<PAGE>

                                   SIGNATURES

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

November 16, 2000                            SAVVIS Communications Corporation
-----------------
      Date

                                            By: /s/  Robert McCormick
                                                ---------------------
                                                 Robert McCormick
                                                 Chief Executive Officer

November 16, 2000                            By: /s/  David J. Frear
-----------------                                -------------------
      Date                                       David J. Frear
                                                 EVP & Chief Financial Officer




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