NOTICE OF GUARANTEED DELIVERY

                                 FOR TENDER OF
                   9 3/8% SENIOR SUBORDINATED NOTES DUE 2009
                      (INCLUDING THOSE IN BOOK-ENTRY FORM)

                                       OF

                  ALASKA COMMUNICATIONS SYSTEMS HOLDINGS, INC.

    This form or one substantially equivalent hereto must be used to accept the
Exchange Offer of Alaska Communications Systems Holdings, Inc. ("ACS") made
pursuant to the Prospectus, dated             (the "Prospectus"), if
certificates for the outstanding 9 3/8% Senior Subordinated Notes due 2009 of
ACS (the "Old Notes") are not immediately available or if the procedure for
book-entry transfer cannot be completed on a timely basis or time will not
permit all required documents to reach the Exchange Agent prior to 5:00 p.m.,
New York City time, on       , 1999 (the "Expiration Date"). Such form may be
delivered or transmitted by telegram, telex, facsimile transmission, mail or
hand delivery to IBJ Whitehall Bank & Trust Company (the "Exchange Agent") as
set forth below. In addition, in order to utilize the guaranteed delivery
procedure to tender Old Notes pursuant to the Exchange Offer, a completed,
signed and dated Letter of Transmittal (or facsimile thereof) must also be
received by the Exchange Agent prior to 5:00 p.m., New York City time, on the
Expiration Date. Capitalized terms not defined herein are defined in the
Prospectus.

              IBJ WHITEHALL BANK & TRUST COMPANY, EXCHANGE AGENT.

                                    BY MAIL:
                       IBJ Whitehall Bank & Trust Company
                                  P.O. Box 84
                             Bowling Green Station
                         New York, New York 10274-0084
                Attention: Reorganization Operations Department

                        BY OVERNIGHT COURIER OR BY HAND:
                       IBJ Whitehall Bank & Trust Company
                                One State Street
                            New York, New York 10004
            Attn: Securities Processing Window--Subcellar One (SC-1)

                 BY FACSIMILE (FOR ELIGIBLE INSTITUTIONS ONLY):
                                 (212) 858-2611

                    INFORMATION AND FACSIMILE CONFIRMATION:
                                 (212) 858-2103

    DELIVERY OF THIS INSTRUMENT TO AN ADDRESS OTHER THAN AS SET FORTH ABOVE, OR
TRANSMISSION OF INSTRUCTIONS VIA FACSIMILE OTHER THAN AS SET FORTH ABOVE, WILL
NOT CONSTITUTE A VALID DELIVERY.

    THIS INSTRUMENT IS NOT TO BE USED TO GUARANTEE SIGNATURES.  IF A SIGNATURE
ON A LETTER OF TRANSMITTAL IS REQUIRED TO BE GUARANTEED BY AN ELIGIBLE
INSTITUTION (AS DEFINED IN THE PROSPECTUS), SUCH SIGNATURE GUARANTEE MUST APPEAR
IN THE APPLICABLE SPACE PROVIDED ON THE LETTER OF TRANSMITTAL FOR GUARANTEE OF
SIGNATURES.

Ladies and Gentlemen:

    Upon the terms and conditions set forth in the Prospectus and the
accompanying Letter of Transmittal, the undersigned hereby tenders to ACS the
principal amount of Old Notes set forth below, pursuant to the guaranteed
delivery procedure described in "The Exchange Offer--Guaranteed delivery
procedures" section of the Prospectus.

Principal Amount of Old Notes Tendered:*

$_______________________________________________________________________________

Certificate Nos. (if available):

________________________________________________________________________________

Total Principal Amount Represented by Certificate(s):

$_______________________________________________________________________________
*Must be in denominations of principal amount of $1,000 and any integral
multiple thereof.

________________________________________________________________________________

    All authority herein conferred or agreed to be conferred shall survive the
death or incapacity of the undersigned and every obligation of the undersigned
hereunder shall be binding upon the heirs, personal representatives, successors
and assigns of the undersigned.

________________________________________________________________________________

                                PLEASE SIGN HERE


                                            
X

          SIGNATURE(S) OF OWNER(S)                                 DATE
           OR AUTHORIZED SIGNATORY

Area Code and Telephone Number:


    Must be signed by the holder(s) of Old Notes as their name(s) appear(s) on
certificates for Old Notes or on a security position listing, or by person(s)
authorized to become registered holder(s) by endorsement and documents
transmitted with this Notice of Guaranteed Delivery. If signature is by a
trustee, executor, administrator, guardian, attorney-in-fact, officer or other
person acting in a fiduciary or representative capacity, such person must set
forth his or her full title below. If Old Notes will be delivered by book-entry
transfer to The Depository Trust Company, provide account number.

                      PLEASE PRINT NAME(S) AND ADDRESS(ES)


              
NAME(S):

CAPACITY:

ADDRESS(ES):

ACCOUNT NUMBER:


                                   GUARANTEE
                    (NOT TO BE USED FOR SIGNATURE GUARANTEE)

    The undersigned, a financial institution (including most banks, savings and
loan associations and brokerage houses) that is a participant in the Securities
Transfer Agents Medallion Program, the New York Stock Exchange Medallion
Signature Program or the Stock Exchanges Medallion Program, hereby guarantees
that the undersigned will deliver to the Exchange Agent the certificates
representing the Old Notes being tendered hereby or confirmation of book-entry
transfer of such Old Notes into the Exchange Agent's account at The Depository
Trust Company, in proper form for transfer, together with any other documents
required by the Letter of Transmittal within three New York Stock Exchange
trading days after the Expiration Date.

NAME OF FIRM ___________________________________________________________________

ADDRESS_________________________________________________________________________
      __________________________________________________________________________

AREA CODE AND TELEPHONE NUMBER _________________________________________________

AUTHORIZED SIGNATURE ___________________________________________________________

NAME____________________________________________________________________________
    (PLEASE TYPE OR PRINT)

TITLE __________________________________________________________________________

DATE _______________

NOTE:  DO NOT SEND CERTIFICATES OF OLD NOTES WITH THIS FORM.  CERTIFICATES OF
       OLD NOTES SHOULD BE SENT ONLY WITH A COPY OF THE PREVIOUSLY EXECUTED
       LETTER OF TRANSMITTAL.