A letter in the mailbox is how many taxpayers first hear from the IRS. The agency normally makes initial contact through the U.S. Postal Service. But that does not mean every conversation or follow-up happens by mail.
The IRS may also call about an account, communicate electronically with permission, or arrange an in-person meeting. The method depends on the reason for the contact and the stage of the matter. Understanding those differences helps explain why a legitimate IRS communication does not always arrive as a letter.
Why Does the IRS Send Letters?
IRS letters and notices cover many issues, including unpaid taxes, refund adjustments, and questions about a return. Some concern identity verification or information needed to continue processing. Receiving a letter does not automatically mean a taxpayer is being audited.
The notice or letter number helps identify the correspondence.
The IRS publishes explanations of many notices on its website. These describe why the notice was sent and what response, if any, is requested. The details in the letter matter because a routine account update and a notice with a response deadline serve different purposes.
Can the IRS Call a Taxpayer?
Yes, the IRS may call about tax account matters. An employee may also call after sending correspondence to discuss an audit or confirm an appointment. A phone conversation can therefore be part of an existing matter rather than the first indication that something needs attention.
Authorized private collection agencies may also call about certain inactive tax debts assigned to them. These contacts follow written notification to the taxpayer and their representative, if applicable. The involvement of a collection agency does not change the IRS’s restrictions on payment demands.
Not every automated message claiming to be from the IRS is necessarily fraudulent. The agency says some automated calls direct taxpayers to IRS.gov without sharing specific account details. That differs from an urgent or threatening recording claiming that an arrest will follow unless payment is made. Demands for payment by gift card or prepaid card are also inconsistent with IRS practices.
What About Email and Text Messages?
The IRS describes certain email and text communications that taxpayers can choose to receive. These include notifications associated with IRS services. Permission-based messages are different from unexpected messages asking for sensitive information or claiming that an immediate payment is required.
Email may also be used during an existing examination or collection matter with the taxpayer’s consent. The IRS’s secure email guidance explains that an employee obtains permission before using that method. Email is not how the agency initiates that contact. Receiving an unexpected message with an IRS name or logo does not establish that it is genuine.
Does the IRS Send Social Media Direct Messages?
The IRS does not contact taxpayers about their tax accounts through social media direct messages. An account claiming to represent the agency in a private conversation does not match its published contact practices. Public IRS social media posts and private messages about someone’s taxes are different forms of communication.
Does the IRS Still Make In-Person Visits?
In-person visits still occur, but they are uncommon. Revenue officers handling collection matters generally arrange meetings in advance, often through an appointment letter. Revenue agents conducting audits may also meet with taxpayers after initial contact by mail.
Most unannounced revenue officer visits ended under an IRS policy change announced in 2023. Limited exceptions remain, including service of summonses or subpoenas and certain sensitive enforcement activities. The rules for collection visits do not describe every type of IRS fieldwork, so an in-person visit needs to be understood in the context of the employee’s role.
Final Thoughts
Mail is the IRS’s usual way of making first contact, but it is not the agency’s only communication method. Calls, authorized electronic communications, and scheduled visits can all have legitimate purposes. The reason for the contact and any earlier correspondence help explain how those methods fit into a tax matter.
The distinction is especially relevant when comparing an account notification with a demand for money or personal information. An opt-in message is different from an unsolicited request, just as an arranged meeting is different from an unexpected visit. The IRS’s published practices provide context for those differences.
A letter also does not automatically signal an audit or a serious collection action. IRS correspondence ranges from routine updates to notices that require a response by a stated deadline. Understanding the particular notice and the purpose of any follow-up gives a clearer picture than judging the communication method alone.
Steven N. Klitzner, P.A. is a tax attorney based in Miami, Florida. He has been practicing tax law for over 40 years, and currently holds a 10.0 rating by Avvo. Mr. Klitzner was appointed to the IRS Service Advisory Council in 2021 and is... 
