<SEC-DOCUMENT>0000356173-23-000084-index.html : 20230526
<SEC-HEADER>0000356173-23-000084.hdr.sgml : 20230526
<ACCEPTANCE-DATETIME>20230526123121
ACCESSION NUMBER:		0000356173-23-000084
CONFORMED SUBMISSION TYPE:	497K
PUBLIC DOCUMENT COUNT:		11
FILED AS OF DATE:		20230526
DATE AS OF CHANGE:		20230526
EFFECTIVENESS DATE:		20230526

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Fidelity Colchester Street Trust
		CENTRAL INDEX KEY:			0000356173
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		497K
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-74808
		FILM NUMBER:		23966002

	BUSINESS ADDRESS:	
		STREET 1:		245 SUMMER STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		617-563-7000

	MAIL ADDRESS:	
		STREET 1:		245 SUMMER STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLCHESTER STREET TRUST
		DATE OF NAME CHANGE:	19980324

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIDELITY INSTITUTIONAL CASH PORTFOLIOS
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CASH INVESTMENT FUND
		DATE OF NAME CHANGE:	19850414
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000356173
<SERIES-ID>S000004820
<SERIES-NAME>Government Portfolio
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000013039
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FIGXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000013080
<CLASS-CONTRACT-NAME>Class II
<CLASS-CONTRACT-TICKER-SYMBOL>FCVXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000013081
<CLASS-CONTRACT-NAME>Class III
<CLASS-CONTRACT-TICKER-SYMBOL>FCGXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000013082
<CLASS-CONTRACT-NAME>Select Class
<CLASS-CONTRACT-TICKER-SYMBOL>FGEXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000141704
<CLASS-CONTRACT-NAME>Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>FRGXX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497K
<SEQUENCE>1
<FILENAME>filing6360.htm
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: filing6360.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>img89839_4.jpg
<DESCRIPTION>IMG89839_4.JPG
<TEXT>
Document 2 - file: img89839_4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img89839_1.jpg
<DESCRIPTION>IMG89839_1.JPG
<TEXT>
Document 3 - file: img89839_1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>img89842_4.jpg
<DESCRIPTION>IMG89842_4.JPG
<TEXT>
Document 4 - file: img89842_4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>img89842_1.jpg
<DESCRIPTION>IMG89842_1.JPG
<TEXT>
Document 5 - file: img89842_1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>img89841_4.jpg
<DESCRIPTION>IMG89841_4.JPG
<TEXT>
Document 6 - file: img89841_4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>img89841_1.jpg
<DESCRIPTION>IMG89841_1.JPG
<TEXT>
Document 7 - file: img89841_1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>img89840_4.jpg
<DESCRIPTION>IMG89840_4.JPG
<TEXT>
Document 8 - file: img89840_4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>img89840_1.jpg
<DESCRIPTION>IMG89840_1.JPG
<TEXT>
Document 9 - file: img89840_1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>img89838_1.jpg
<DESCRIPTION>IMG89838_1.JPG
<TEXT>
Document 10 - file: img89838_1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>img89838_4.jpg
<DESCRIPTION>IMG89838_4.JPG
<TEXT>
Document 11 - file: img89838_4.jpg

</DOCUMENT>
</SEC-DOCUMENT>