Just in case someone (could be anyone including any law enforcement agency or government agency has) requested my personal info from my phone company or any internet service provider for whatever purpose, can I request the phone company or the ISP to confirm if they have been requested to submit my personal info and what info was provided to the requester?
You can request it. No obligation for them to comply unless its to a FOIA request.
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Construction / Development Lawyer
You can ask, they don't have to answer, and probably won't.
Check their terms of service to see what they will and will not provide, and what steps you have to take to get them to provide anything. Most providers will resist all attempts, including court orders.