<SEC-DOCUMENT>0001787296-22-000014.txt : 20221212
<SEC-HEADER>0001787296-22-000014.hdr.sgml : 20221212
<ACCEPTANCE-DATETIME>20221212093105
ACCESSION NUMBER:		0001787296-22-000014
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20221209
FILED AS OF DATE:		20221212
DATE AS OF CHANGE:		20221212

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JOSEFOWICZ GREGORY P
		CENTRAL INDEX KEY:			0001144872

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09712
		FILM NUMBER:		221456379

	MAIL ADDRESS:	
		STREET 1:		850 76TH STREET SW
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49518

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNITED STATES CELLULAR CORP
		CENTRAL INDEX KEY:			0000821130
		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO TELEPHONE COMMUNICATIONS [4812]
		IRS NUMBER:				621147325
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8410 W BRYN MAWR AVE
		STREET 2:		STE 700
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60631
		BUSINESS PHONE:		7733998900

	MAIL ADDRESS:	
		STREET 1:		8410 W BRYN MAWR AVE
		STREET 2:		STE 700
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60631
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_167085543936712.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-12-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000821130</issuerCik>
        <issuerName>UNITED STATES CELLULAR CORP</issuerName>
        <issuerTradingSymbol>USM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001144872</rptOwnerCik>
            <rptOwnerName>JOSEFOWICZ GREGORY P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>8410 W. BRYN MAWR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60631</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2022-12-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1834</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>19.61</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18981</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $19.60 and $19.63. The reporting person undertakes to provide to the SEC, the Issuer and any security holder, the full information regarding the number of shares and the prices at which the shares were sold.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Julie D. Mathews, by power of atty</signatureName>
        <signatureDate>2022-12-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
