Contacting the correct IRS number/unit is imperative to address IRS issues. Below is a summary of contact telephone numbers for various IRS departments to help practitioners resolve IRS tax matters for their clients. Notably, the contacts include the Practitioner Priority Service (PPS) number (and the topics and their respective extensions offered in the PPS telephone menu), a hyperlink for state-specific IRS stakeholder liaisons and the National Taxpayer Advocate Help Line.
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