To Apply, Email or Text: 724-861-8900 to arrange an appointment. Have your identification documents with you for the appointment. Apply for your Individual Tax Identification Number (ITIN). Our process is simple, efficient and confidential. Fee is $375.00 plus applicable tax filing fees. Free payment plan is available! Call/Text: 724-861-8900 for a confidential talk to learn more about the process to apply for your ITIN.