<SEC-DOCUMENT>0000000000-18-009874-index.html : 20180430
<SEC-HEADER>0000000000-18-009874.hdr.sgml : 20180430
<ACCEPTANCE-DATETIME>20180402143741
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000000000-18-009874
CONFORMED SUBMISSION TYPE:	UPLOAD
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180402

FILED FOR:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN TOWER CORP /MA/
		CENTRAL INDEX KEY:			0001053507
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				650723837
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		UPLOAD

	BUSINESS ADDRESS:	
		STREET 1:		116 HUNTINGTON AVE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		6173757500

	MAIL ADDRESS:	
		STREET 1:		116 HUNTINGTON AVE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN TOWER SYSTEMS CORP
		DATE OF NAME CHANGE:	19980128
PUBLIC REFERENCE ACCESSION NUMBER:		0001053507-18-000006 [HTML]
</SEC-HEADER>
<DOCUMENT>
<TYPE>LETTER
<SEQUENCE>1
<FILENAME>filename1.pdf
<TEXT>
Document 1 - file: filename1.pdf

</DOCUMENT>
</SEC-DOCUMENT>