IRS Philadelpia Service Center Has Moved

In a phone call today with the Taxpayer Advocate in Philadelphia, I learned that the IRS Service Center in Philadelphia moved, with the final personnel moving into the “new” office in January. The new address is:

Internal Revenue Service
2970 Market St.
Philadelphia, PA 19104

Note that this address should be used only for overnight delivery, courier service, etc.; all other mail to the Philadelphia Service Center should go to the normal address (typically specified in the communication from the IRS).

The Philadelphia Service Center does not process returns; however, they do handle numerous “back-office” tasks including correspondence audits, international adjustments, and many others.

2 Responses to “IRS Philadelpia Service Center Has Moved”

  1. bert trienen says:

    i reived instructions to mail my corrected 1040nr form to

    irs service center
    2970 marketstreet
    stop3J23.124
    Philadelphia
    19104 usa

    my question is what does stop 3J123.124 mean

    regards
    bert trienen the netherlands

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