The IRS recently published the hours of operation for their eHelp service. This document identifies upcoming holidays that the eHelp office will be closed:

Due to Budget restrictions for 2015, extended weekday hours, Saturday service and President’s Day service will not be available. The e-help desk will continue to provide service during the hours listed below.  We apologize for any inconvenience this may cause you.

e-help Desk assists tax professionals such as Enrolled Agents, Reporting Agents, Electronic Return Originators, Certified Public Accountants, Software Developers, and Transmitters with non-account related questions and issues concerning e-products.

e-help Desk Toll Free Number

1-866-255-0654

Note: Callers who are outside of the 50 U.S. States and/or U.S. Territories should use the International phone number: 1-512-416-7750.

Taxpayers who file their returns electronically using a tax preparer or online software should not be referred to the e-help Desk.  Taxpayers must call Customer Service at 1-800-829-1040.

The e-help Desk assistors support IRS e-file Individual and Business, EFTPS, SAM, and e-services customers. 

Due to Budget restrictions for 2015, extended weekday hours, Saturday service and President’s Day service will not be available. The e-help desk will continue to provide service during the hours listed below.  We apologize for any inconvenience this may cause you.

Hours for the e-help desk (peak season - January 19, 2015 - April 17, 2015)

Hours for the e-help desk (non-peak)

Source:  IRS at http://www.irs.gov/uac/e-help-Desk-Toll-Free-Number