<SEC-DOCUMENT>0001752724-24-201599-index.html : 20240909
<SEC-HEADER>0001752724-24-201599.hdr.sgml : 20240909
<ACCEPTANCE-DATETIME>20240909104146
ACCESSION NUMBER:		0001752724-24-201599
CONFORMED SUBMISSION TYPE:	N-MFP3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240831
FILED AS OF DATE:		20240909
DATE AS OF CHANGE:		20240909

FILER:

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

	FILING VALUES:
		FORM TYPE:		N-MFP3
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-03320
		FILM NUMBER:		241286246

	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>S000004819
<SERIES-NAME>Treasury Portfolio
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000013038
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FISXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000013077
<CLASS-CONTRACT-NAME>Class II
<CLASS-CONTRACT-TICKER-SYMBOL>FCEXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000013078
<CLASS-CONTRACT-NAME>Class III
<CLASS-CONTRACT-TICKER-SYMBOL>FCSXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000013079
<CLASS-CONTRACT-NAME>Select Class
<CLASS-CONTRACT-TICKER-SYMBOL>FTUXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000056568
<CLASS-CONTRACT-NAME>Class IV
<CLASS-CONTRACT-TICKER-SYMBOL>FTVXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000141703
<CLASS-CONTRACT-NAME>Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>FRBXX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-MFP3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
</SEC-DOCUMENT>