================================================================================
SEC 1344             PERSONS WHO POTENTIALLY ARE TO RESPOND TO THE COLLECTION OF
(2-2002)             INFORMATION CONTAINED IN THIS FORM ARE NOT REQUIRED TO
Previous versions    RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY VALID OMB
obsolete             CONTROL NUMBER.
================================================================================

                                                       =========================
                                                           OMB APPROVAL
                                                       =========================
                                                       OMB Number: 3235-0058
                                                       =========================
                                                       Expires: January 31, 2005
                                                       =========================
                                                       Estimated average burden
                                                       hours per response.. 2.50
                                                       =========================
                            UNITED STATES              SEC FILE NUMBER
                 SECURITIES AND EXCHANGE COMMISSION
                       WASHINGTON, D.C. 20549          0-29092
                                                       =========================
                              FORM 12b-25              CUSIP NUMBER
                                                       =========================
                     NOTIFICATION OF LATE FILING

(CHECK ONE): (X) Form 10-K ( ) Form 20-F ( ) Form 11-K ( ) Form 10-Q
( ) Form N-SAR

For Period Ended:  December 31, 2001
                   -----------------

/ / Transition Report on Form 10-K
/ / Transition Report on Form 20-F
/ / Transition Report on Form 11-K
/ / Transition Report on Form 10-Q
/ / Transition Report on Form N-SAR
For the Transition Period Ended: ___________________
================================================================================
  READ INSTRUCTION (ON BACK PAGE) BEFORE PREPARING FORM. PLEASE PRINT OR TYPE.
================================================================================
      NOTHING IN THIS FORM SHALL BE CONSTRUED TO IMPLY THAT THE COMMISSION
                 HAS VERIFIED ANY INFORMATION CONTAINED HEREIN.
================================================================================
If the notification relates to a portion of the filing checked above, identify
the Item(s) to which the notification relates:
-----------------------------------------------------------------------------
PART I -- REGISTRANT INFORMATION
PRIMUS TELECOMMUNICATIONS GROUP, INCORPORATED

-----------------------------------------------------------------------------
Full Name of Registrant

-----------------------------------------------------------------------------
Former Name if Applicable



1700 OLD MEADOW ROAD, SUITE 300

-----------------------------------------------------------------------------
Address of Principal Executive Office (Street and number)

McLEAN, VA 22102

-----------------------------------------------------------------------------
City, State and Zip Code

PART II -- RULES 12b-25(b) AND (c)

If the subject report could not be filed without unreasonable effort or expense
and the registrant seeks relief pursuant to Rule 12b-25(b), the following should
be completed. (Check box if appropriate)

/X/               (a) The reasons described in reasonable detail in Part III of
                  this form could not be eliminated without unreasonable effort
                  or expense;
/X/               (b) The subject annual report, semi-annual report, transition
                  report on Form 10-K, Form 20-F,11-K or Form N-SAR, or
                  portion thereof, will be filed on or before the fifteenth
                  calendar day following the prescribed due date; or the
                  subject quarterly report of transition report on Form 10-Q,
                  or portion thereof will be filed on or before the fifth
                  calendar day following the prescribed due date; and
/ /               (c) The accountant's statement or other exhibit required by
                  Rule 12b-25(c) has been attached if applicable.

PART III -- NARRATIVE

State below in reasonable detail the reasons why Forms 10-K, 20-F, 11-K, 10-Q,
N-SAR, or the transition report portion thereof, could not be filed within the
prescribed time period.

THE REGISTRANT NEEDS AN EXTENSION TO FILE ITS FORM 10-K FOR THE FISCAL YEAR
ENDED DECEMBER 31, 2001 DUE TO THE REGISTRANT'S CURRENT INVOLVEMENT IN THE
RESTRUCTURING/RENEGOTIATION OF CERTAIN VENDOR FINANCING ARRANGEMENTS THAT
MANAGEMENT BELIEVES MAY HAVE A MATERIAL IMPACT ON THE REGISTRANT'S YEAR END
REPORTING. THE REGISTRANT EXPECTS TO FILE ITS COMPLETED FORM 10-K WITHIN THE
EXTENSION PERIOD PROVIDED HEREIN.

PART IV-- OTHER INFORMATION

(1) Name and telephone number of person to contact in regard to this
notification

             NEIL L. HAZARD            703                902-2815
        -------------------------    ---------      --------------------
                 (Name)             (Area Code)       (Telephone Number)

(2) Have all other periodic reports required under Section 13 or 15(d) of the
Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of
1940 during the preceding 12 months or for such shorter period that the
registrant was required to file such report(s) been filed? If answer is no,
identify report(s). (x) Yes ( ) No




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


(3) Is it anticipated that any significant change in results of operations from
the corresponding period for the last fiscal year will be reflected by the
earnings statements to be included in the subject report or portion
thereof? ( ) Yes (x) No

If so, attach an explanation of the anticipated change, both narratively and
quantitatively, and, if appropriate, state the reasons why a reasonable estimate
of the results cannot be made.

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

                      PRIMUS TELECOMMUNICATIONS GROUP, INC.
              -----------------------------------------------------
                  (Name of Registrant as Specified in Charter)

has caused this notification to be signed on its behalf by the undersigned
hereunto duly authorized.


Date:         04/01/02                  By:        /s/ NEIL L. HAZARD
      ---------------------------          -------------------------------------
           April 1, 2002                       Printed Name: Neil L. Hazard

INSTRUCTION: The form may be signed by an executive officer of the registrant of
by any other duly authorized representative. The name and title of the person
signing the form shall be typed or printed beneath the signature. If the
statement is signed on behalf of the registrant by an authorized representative
(other than an executive officer), evidence of the representative's authority to
sign on behalf of the registrant shall be filed with the form.

                                    ATTENTION
================================================================================
INTERNATIONAL MISSTATEMENTS OR OMISSIONS OF FACT CONSTITUTE FEDERAL CRIMINAL
VIOLATIONS (SEE 18 U.S.C. 1001).
================================================================================

                              GENERAL INSTRUCTIONS

1. This form is required by Rule 12b-25 (17 CFR 240.12b-25) of the General Rules
and Regulations under the Securities Exchange Act of 1934.
2. One signed original and four conformed copies of this form and amendments
thereto must be completed and filed with the Securities and Exchange Commission,
Washington, D.C. 20549, in accordance with Rule0-3 of the General Rules and
Regulations under the Act. The information contained in or filed with the form
will be made a matter of public record in the Commission files.
3. A manually signed copy of the form and amendments thereto shall be filed with
each national securities exchange on which any class of securities of the
registrant is registered.
4. Amendments to the notifications must also be filed on form 12b-25 but need
not restate information that has been correctly furnished. The form shall be
clearly identified as an amended notification.
5. ELECTRONIC FILERS. This form shall not be used by electronic filers unable to
timely file a report solely due to electronic difficulties. Filers unable to
submit a report within the time period prescribed due to difficulties in
electronic filing should comply with either Rule 201 or Rule 202 of Regulation
S-T (Section 232.201 or Section 232.202 of this chapter) or apply for an
adjustment in filing date pursuant to Rule 13(b) of Regulation S-T
(Section 232.13(b) of this Chapter).