    <SEC-DOCUMENT>0000814052-18-000051-index.html : 20180426
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    <ACCEPTANCE-DATETIME>20180426135242
    ACCESSION NUMBER:		0000814052-18-000051
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		29
    CONFORMED PERIOD OF REPORT:	20180426
    FILED AS OF DATE:		20180426
    DATE AS OF CHANGE:		20180426

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			TELEFONICA S A
    		CENTRAL INDEX KEY:			0000814052
    		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			U3
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		6-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-09531
    		FILM NUMBER:		18777695

    	BUSINESS ADDRESS:
    		STREET 1:		GRAN VIA 28
    		CITY:			28013 MADRID
    		STATE:			U3
    		ZIP:			00000
    		BUSINESS PHONE:		00 34 91 584 0640

    	MAIL ADDRESS:
    		STREET 1:		GRAN VIA 28
    		CITY:			28013 MADRID
    		STATE:			U3
    		ZIP:			00000

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	NATIONAL TELEPHONE COMPANY OF SPAIN
    		DATE OF NAME CHANGE:	19880708
    </SEC-HEADER>
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