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    <ACCEPTANCE-DATETIME>20191031060546
    ACCESSION NUMBER:		0001020569-19-000220
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		67
    CONFORMED PERIOD OF REPORT:	20191029
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Cost Associated with Exit or Disposal Activities
    ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20191031
    DATE AS OF CHANGE:		20191031

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			IRON MOUNTAIN INC
    		CENTRAL INDEX KEY:			0001020569
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				232588479
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13045
    		FILM NUMBER:		191181948

    	BUSINESS ADDRESS:
    		STREET 1:		ONE FEDERAL STREET
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02110
    		BUSINESS PHONE:		617-535-4781

    	MAIL ADDRESS:
    		STREET 1:		ONE FEDERAL STREET
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02110

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	IRON MOUNTAIN INC/PA
    		DATE OF NAME CHANGE:	20000201

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	PIERCE LEAHY CORP
    		DATE OF NAME CHANGE:	19960807
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