Co-asking: I-485 pending期間改地址必須要打電話嗎

I also have a question about moving while I-485 pending.
I am the principle application and not moving. My hu*****and (as the benificiary) moved to another state for his new job. Does he need to inform the USCIS about the moving (He only sent the AR-11 form before) since his permanent address is still same as my?
Thanks

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