Exhibit 10.4
                                    GUARANTY

            This  Guaranty,  dated as of May 15,  2002 is made by United  States
Cellular Corporation (the "Guarantor"), in favor of Toronto Dominion (New York),
Inc. (the "Counterparty").

            1.  Guaranty.  (a) In order to induce the Counterparty to enter into
a  Confirmation,   dated  May  15,  2002  (Reference  number:  67695-675312)(the
"Agreement"),  with the Guarantor's wholly-owned subsidiary USCCI Corporation, a
Delaware corporation ("Primary Obligor"),  which Agreement supplements,  forms a
part of and is subject to an ISDA Master  Agreement,  dated as of May 15,  2002,
between   Counterparty  and  Primary  Obligor,   the  Guarantor  absolutely  and
unconditionally  guarantees to the  Counterparty,  its  successors and permitted
assigns,  the prompt  payment of the Guaranteed  Obligations,  as defined below.
Except as expressly  provided herein,  such guarantee shall be without regard to
any  counterclaim,  set-off,  deduction  or defense  of any kind  which  Primary
Obligor or the Guarantor may have or assert  against  Counterparty,  and without
abatement,  suspension,  deferment  or  diminution  on  account  of any event or
condition whatsoever. "Guaranteed Obligations" shall mean all amounts payable by
the Primary Obligor under the Agreement,  whether due or to become due,  secured
or  unsecured,  joint or several  together  with any and all costs and  expenses
incurred by Counterparty in enforcing Counterparty's rights under this Guaranty,
after applying any right of Primary Obligor to set-off,  net or withhold payment
as provided in the Agreement.

            (b) Guarantor  agrees that the  Counterparty may resort to Guarantor
for payment of any of the Guaranteed  Obligations,  whether or not  Counterparty
shall have realized against or applied,  or attempted (except as provided below)
to realize  against or apply,  any property  provided by an entity as collateral
security or other credit support for the Guaranteed  Obligations  (such property
and credit  support  collectively,  "Security")  or  proceeded  or  attempted to
proceed against  Primary Obligor or any other entity  principally or secondarily
obligated  with  respect  to the  Guaranteed  Obligations.  Notwithstanding  the
foregoing, the Counterparty agrees that it will not make a demand or claim under
this  Guaranty  in  respect  of  any  Secured  Portion  (defined  below)  of the
Guaranteed  Obligations  unless the  Counterparty  has first  used  commercially
reasonable  efforts,  for at least three  Business  Days, to realize  against or
apply  property  held as  Collateral  (as  defined in the  Agreement)  under the
Agreement in  satisfaction  of the  Guaranteed  Obligations.  "Secured  Portion"
means,  at any time, a portion of the Guaranteed  Obligations  consisting of the
obligation  to deliver  cash or  property  with a value,  as  determined  by the
Calculation  Agent  (as  defined  in the  Agreement),  equal  to the  value,  as
determined by the Calculation  Agent in a consistent  manner,  of the Collateral
then  pledged  to the  Counterparty  under the  Agreement;  provided  that if no
Collateral  is then pledged to  Counterparty  or  Counterparty  ceases to have a
valid, first priority,  perfected security interest in the Collateral other than
as a result of actions of the Counterparty, there shall be no Secured Portion of
the Guaranteed Obligations.

            2.  Nature of Guaranty.  This Guaranty is a guarantee of payment and
not of  collection.  Any  amounts  or  deliveries  that  would be owed or due by
Primary Obligor to the Counterparty under the Agreement but are unenforceable or
not allowable against Primary Obligor for any reason,  including because Primary
Obligor is the subject of a bankruptcy,  liquidation,  reorganization or similar
case or proceeding,  shall nonetheless be deemed owed or due for the purposes of
this Guaranty. The Counterparty shall not be obligated, as a condition precedent
to  performance  by the Guarantor  hereunder,  to file any claim relating to the
Guaranteed  Obligations in the event that Primary  Obligor  becomes subject to a
bankruptcy,  liquidation,  reorganization or similar case or proceeding, and the
failure of the  Counterparty  to file a claim  shall not affect the  Guarantor's
obligations  hereunder.  This  Guaranty  shall  continue to be  effective  or be
reinstated,  as the case may be, if at any time any payment to the  Counterparty
by Primary  Obligor  on account of any  Guaranteed  Obligation  is  returned  to
Primary Obligor or is rescinded upon the insolvency,  bankruptcy, liquidation or
reorganization  of Primary Obligor or otherwise,  all as though such payment has
not been made.






            3.  Guaranty  Absolute.   The  liability  of  Guarantor  under  this
Guaranty shall be irrevocable,  absolute and unconditional  irrespective of, and
Guarantor  hereby  irrevocably  waives,  any defenses it may or  hereafter  have
(other than those defenses  expressly  provided for in this Guaranty) in any way
relating  to  any or  all  of  the  following:  (a)  any  lack  of  validity  or
enforceability of the Agreement or this Guaranty;  (b) the entry into additional
transactions,  any  indulgences,  concession,  waiver  or  consent  given to the
Primary  Obligor or any other changes in the amount of time,  manner or place of
payment of, or in any other term of any or all of the Guaranteed  Obligations or
any  amendment,  modification  or alteration of the  Agreement;  (c) any taking,
exchange,  release,  non-perfection,  realization  or  application  of or on any
security  (other than the requirement  that the  Counterparty  use  commercially
reasonable  efforts to realize against or apply the Collateral to the Guaranteed
Obligations  as  described  in  Paragraph 1 of this  Guaranty);  (d) any change,
restructuring  or termination in or of the structure or existence of the Primary
Obligor;  or (e) any  other  circumstances  (including  without  limitation  any
statute of limitations) that might otherwise  constitute a defense available to,
or a discharge of, Guarantor or the Primary Obligor.

            4.  Waivers  and  Acknowledgments.  The  Guarantor  waives  demands,
promptness,  diligence and all notices that may be required by law or to perfect
the Counterparty's rights hereunder, except notice to the Guarantor of a default
by Primary Obligor under the Agreement.  No failure,  delay or single or partial
exercise by the  Counterparty of its rights or remedies  hereunder shall operate
as a waiver of such rights or  remedies.  All rights and  remedies  hereunder or
allowed by law shall be cumulative and exercisable from time to time.

            5.  Representations and Warranties.  The Guarantor hereby represents
and warrants that:
                (a) the  Guarantor is duly  organized,  validly  existing and in
good  standing  under the laws of Delaware;
                (b) the  Guarantor  has  the  requisite   corporate   power  and
authority to issue this Guaranty and to perform its obligations  hereunder,  and
has duly authorized, executed and delivered this Guaranty;
                (c) the  Guarantor is not required to obtain any  authorization,
consent, approval,  exemption or license from, or to file any registration with,
any  governmental  authority  as a  condition  to  the  validity  of,  or to the
execution, delivery or performance of, this Guaranty;
                (d) as of the date of this Guaranty, there is no action, suit or
proceeding  pending or  threatened  against  the  Guarantor  before any court or
arbitrator  or any  governmental  body,  agency or  official in which there is a
reasonable  possibility  of  an  adverse  decision  which  could  affect,  in  a
materially  adverse  manner,  the ability of the Guarantor to perform any of its
obligations  under,  or which in any manner  questions  the  validity  of,  this
Guaranty;
                (e) the execution,  delivery and performance of this Guaranty by
the  Guarantor  does not  contravene  or constitute a default under any statute,
regulation or rule of any  governmental  authority or under any provision of the
Guarantor's   certificate  of   incorporation  or  by-laws  or  any  contractual
restriction binding on the Guarantor;
                (f) this  Guaranty  constitutes  the  legal,  valid and  binding
obligation of the Guarantor enforceable in accordance with its terms, subject to
the effect of any bankruptcy, insolvency, reorganization,  moratorium or similar
law affecting  creditors' rights generally,  and to general principles of equity
(regardless  of whether such  enforceability  is  considered  in a proceeding in
equity or at law); and
                (g) the  obligations of the Guarantor  under this Guaranty shall
rank pari passu with other unsecured obligations of the Guarantor.

            6.  Subrogation.   Upon   payment  by   Guarantor  of  any  sums  to
Counterparty  under this  Guaranty,  all  rights of  Guarantor  against  Primary
Obligor  arising as a result thereof by way of right of subrogation or otherwise
shall in all respects be subordinate and junior in right of payment to the prior
indefeasible payment in full of the Guaranteed Obligations.

            7.  Termination.  The Guarantor hereby waives any right to terminate
or revoke  this  Guaranty  and  acknowledges  that its  obligations  under  this
Guaranty are continuing in nature.

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            8.  Notices. Any notice or communication required or permitted to be
made hereunder shall be made in the same manner and with the same effect, unless
otherwise  specifically  provided herein, as set forth in the Agreement,  except
that for purposes of notices under this Guaranty,  Counterparty  shall be deemed
to have  met its  burden  of  proving  receipt  by  Guarantor  of any  facsimile
transmission   by  the  production  of  a  transmission   report   generated  by
Counterparty's  facsimile machine. The address and other contact information for
Primary  Obligor as set forth in the Agreement  shall be the address and contact
information for the Guarantor.

            9.  GOVERNING LAW; JURISDICTION.  This Guaranty shall be governed by
and  construed  in  accordance  with the laws of the State of New York  (without
regard to the  principles of conflicts of laws  thereof).  The Guarantor  hereby
irrevocably  consents to, for the purposes of any proceeding arising out of this
Guaranty,  the exclusive jurisdiction of the courts of the State of New York and
the United States District Court located in the borough of Manhattan in New York
City.

            10. Waiver of  Immunity.  To the extent  that the  Guarantor  has or
hereafter  may acquire any immunity from  jurisdiction  of any court or from any
legal process (whether through service or notice,  attachment prior to judgment,
attachment  in aid of  execution,  execution or  otherwise)  with respect to the
Guarantor or the Guarantor's  property,  the Guarantor hereby irrevocably waives
such immunity in respect of the Guarantor's obligations under this Guaranty.

            11. Waiver of Jury Trial.  The Guarantor hereby  irrevocably  waives
all right to trial by jury in any action,  proceeding or  counterclaim  (whether
based  on  contract,  tort or  otherwise)  arising  out of or  relating  to this
Guaranty or the negotiation, administration or enforcement hereof.

            12. Miscellaneous.   Each   reference   herein  to  the   Guarantor,
Counterparty  or Primary  Obligor  shall be deemed to include  their  respective
successors and assigns.  The provisions hereof shall inure in favor of each such
successor  or  assign.   This   Guaranty  (i)  shall   supersede  any  prior  or
contemporaneous representations, statements or agreements, oral or written, made
by or between the parties with regard to the subject matter hereof,  (ii) may be
amended only by a written instrument  executed by the Guarantor and Counterparty
and (iii) may not be assigned by either party without the prior written  consent
of the other party.




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            In Witness Whereof, the undersigned has executed this Guaranty as of
the date first above written.


UNITED STATES CELLULAR CORPORATION


By:      /s/ LeRoy T. Carlson, Jr.
         Name:   LeRoy T. Carlson, Jr.
         Title:  Chairman



By:      /s/ Kenneth R. Meyers
         Name:   Kenneth R. Meyers
         Title:  Executive Vice President - Finance







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