internal revenue service itin operation p.o. box 149342 austin, tx 78714-9342關於「ITIN office Austin TX phone number」標籤，搜尋引擎有相關的訊息討論：
IRS Taxpayer Assistance Centers Providing In-Person ITIN ...www.irs.gov › help › irs-taxpayer-assistance-centers-provi...Individual Taxpayer Identification Numbers (ITIN) - Texas Globalglobal.utexas.edu › isss › advising-services › taxes › itinITIN office mailing addresswww.iti