<PAGE>

                          NOTICE OF GUARANTEED DELIVERY

                                       FOR

                            ALAMOSA (DELAWARE), INC.

          This form or one substantially equivalent hereto must be used to
accept the exchange offer of Alamosa (Delaware), Inc. (the "Company") made
pursuant to the Prospectus, dated [ ] (the "Prospectus"), if certificates for
the outstanding 13-5/8% Senior Notes due 2011 of the Company (the "Original
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 Wells Fargo Bank Minnesota, N.A., as exchange agent
(the "Exchange Agent") prior to 5:00 p.m., New York City time, on [ ], the
expiration date of the exchange offer (the "Expiration Date"). Such form may be
delivered or transmitted by facsimile transmission, mail or hand delivery to the
Exchange Agent as set forth below. In addition, in order to utilize the
guaranteed delivery procedure to tender Original 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.

                  THE EXCHANGE AGENT FOR THE EXCHANGE OFFER IS:

                        WELLS FARGO BANK MINNESOTA, N.A.

<TABLE>
<CAPTION>
<S>                               <C>                              <C>
By Registered & Certified Mail:   By Regular Mail or Overnight     In Person by Hand Only:
                                  Courier:

WELLS FARGO BANK                  WELLS FARGO BANK                 WELLS FARGO BANK
MINNESOTA, N.A.                   MINNESOTA, N.A.                  MINNESOTA, N.A.
Corporate Trust Operations        Corporate Trust Operations       12th Floor - Northstar East Building
MAC N9303-110                     MAC N9303-110                    Corporate Trust Services
PO Box 1517                       Sixth & Marquette Avenue         608 Second Avenue South
Minneapolis, MN  55480            Minneapolis, MN  55479           Minneapolis, MN
</TABLE>

                 By Facsimile (for Eligible Institutions only):
                                 (612) 667-4927


                  For Information or Confirmation by Telephone:
                                 (800) 344-5128

<PAGE>

          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 OF THIS NOTICE OF GUARANTEED
DELIVERY.

                                        2

<PAGE>

Ladies and Gentlemen:

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

PRINCIPAL AMOUNT OF 13-5/8% SENIOR NOTES TENDERED:*   $_________________________

Certificate Nos. (if available): _______________________________________________

Total Principal Amount Represented by Original Notes
Certificate(s):  $ _____________________________________________________________

If 13-5/8% Senior Notes will be delivered by book-entry transfer to The
Depository Trust Company, provide account number.

Account Number: ________________________________________________________________


ALL AUTHORITY HEREIN CONFERRED OR AGREED TO BE CONFERRED SHALL SURVIVE THE DEATH
OR INCAPACITY OF THE UNDERSIGNED AND EVERY OBLIGATION OF THE UNDER SIGNED
HEREUNDER SHALL BE BINDING UPON THE HEIRS, PERSONAL REPRESENTATIVES, SUCCESSORS
AND ASSIGNS OF THE UNDERSIGNED.


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

                                        3

<PAGE>

                                PLEASE SIGN HERE

X ________________________________________________      ________________________

X ________________________________________________      ________________________
  Signature(s) of Owner(s) or Authorized Signatory               Date


Area Code and Telephone Number:

__________________________________________________

          Must be signed by the holder(s) of Original Notes as their name(s)
appear(s) on certificates for Original 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.

                      PLEASE PRINT NAME(S) AND ADDRESS(ES)

Name(s):  ______________________________________________________________________
          ______________________________________________________________________
          ______________________________________________________________________

Capacity: ______________________________________________________________________
          ______________________________________________________________________
          ______________________________________________________________________

Address(es): ___________________________________________________________________
             ___________________________________________________________________
             ___________________________________________________________________

                                        4
<PAGE>


                                    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 certificates representing the principal amount of Original
Notes tendered hereby in proper form for transfer, or timely confirmation of the
book-entry transfer of such Original Notes into the Exchange Agent's account at
The Depository Trust Company pursuant to the procedures set forth in "The
Exchange Offer -- Guaranteed Delivery Procedures" section of the Prospectus,
together with any required signature guarantee and any other documents required
by the Letter of Transmittal, will be received by the Exchange Agent at the
address set forth above, no later than three New York Stock Exchange trading
days after the Expiration Date.


--------------------------------------   ---------------------------------------
Name of Firm                             Authorized Signature


--------------------------------------   ---------------------------------------
Address                                  Title

                                         Name:
---------------------------------------       ----------------------------------
Zip Code                                           (Please Type or Print)

Area Code and Tel. No.                   Dated:
                      -----------------        ---------------------------------

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

                                        5


