The Associated Email or Device-Id (MAC) was wrong

I received two purpleair PA -II sensors. We received them from the Ventura County of Education (VCOE).

When trying to registrar with email addresses all I get

No association - try again?

The Associated Email or Device-Id (MAC) was wrong. These can be found in your shipping notice. Please check your info and try again - or email contact@purpleair.com for assistance.

I tried both VCOE and my Simi Valley Schools District email. Also we don’t have the shipping notice.

I have tried calling 1800 474.0696 after a short time the call drops. Also, I have Emailed 3 times . NO response !