Attempting to e file Form 941 couldn't locate 10-digit PIN. Tried enrolling in case not received and received an IRS rejection notice to enrollment stating an active federal 94x e-File enrollment already exists for Inland Oral Surgery PS  EIN: [Removed].  Response provided said to contact Intuit Payroll Support for contact information.

Please advise IRS contact information to obtain the 10 digit PIN replacement letter.