245 Summer Street

Fidelity® Investments 

Boston, MA 02210


November 1, 2021

U.S. Securities & Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Attention: File Room


RE:

Fidelity Union Street Trust II (the trust): File Nos. 033-43757 and 811-06452

Fidelity Arizona Municipal Money Market Fund

Fidelity Municipal Money Market Fund

(the fund(s))

________________________________________________________________________

Ladies and Gentlemen:

Transmitted herewith pursuant to Rule 497(j) under the Securities Act of 1933 is certification that the Prospectus(es) and Statement(s) of Additional Information with respect to the above referenced fund(s) do not differ from those filed in the most recent post-effective amendment, which was filed electronically.

Very truly yours,


/s/Cynthia Lo Bessette

Cynthia Lo Bessette

Secretary of the Trust