0000702149 2024-04-02 2024-04-02 0000702149 fmr:NCCMTGovernmentPortfolio-PROStandAloneMember fmr:S000007506Member 2024-04-02 2024-04-02 iso4217:USD pure 497 2023-06-30 false 0000702149 N-1A The North Carolina Capital Management Trust Supplement to the The North Carolina Capital Management Trust: Government Portfolio August 29, 2023 Prospectus You could lose money by investing in the fund. Although the fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so. An investment in the fund is not a bank account and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.  Fidelity Investments and its affiliates, the fund's sponsor, is not required to reimburse the fund for losses, and you should not expect that the sponsor will provide financial support to the fund at any time, including during periods of market stress.