FIDELITY ADVISOR SERIES IV, 497J, 1999-02-02

FIDELITY ADVISOR SERIES IV
497J, 1999-02-02
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FIDELITY (LOGO) INVESTMENTS(registered trademark)  FMR Corp.              
                                                   82 Devonshire Street   
                                                   Boston MA  02109-3614  
                                                   617 563 7000           
 
                    February 2, 1999  
                                      
                                      
                                      
                                      
 
Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street, N.W.
Washington, D.C.  20549
Attention:  File Room                                                        
 
                                                                             
 
Re:         Fidelity Advisor Series IV (the trust):                          
 
            Fidelity Institutional Short-Intermediate Government Fund (the   
            fund)                                                            
 
            File No. 2-83672 and 811-3737                                    
 
______________________________________________________________________
Ladies and Gentlemen:
 Transmitted herewith pursuant to Rule 497(j) under the Securities Act
of 1933 is certification that the Prospectus and Statement of
Additional Information with respect to the above referenced fund does
not differ from that filed in the most recent post-effective
amendment, which was filed electronically.
                    Very truly yours,  
 
                                       
 
                                       
 
                                       
 
                    /s/Eric D. Roiter  
                       Eric D. Roiter  
                       Secretary