You sure its for the kid?  181-01 should be for the taxpayer...ohhh the kid is the taxpayer, its the kids return.

How to get your IP PIN reissued

If you're unable to retrieve your IP PIN online, you may call us at 800-908-4490 for specialized assistance, Monday - Friday, 7 a.m. - 7 p.m. your local time (Alaska & Hawaii follow Pacific Time), to have your IP PIN reissued. An assistor will verify your identity and mail your IP PIN to your address of record within 21 days.

Exceptions:

• If you’ve moved since January 1 of this year, or
• It’s after October 14 and you haven’t filed your current or prior year Forms 1040 or 1040 PR/SS.