I-94 Numbers Will Be Alphanumeric Starting in May 2019

CBP updated its website with a notice informing stakeholders that beginning in May 2019, I-94 numbers will no longer be solely numeric. In replacement of the current 11-digit numerical format, CBP announced that in May 2019, I-94 numbers will be alphanumeric.  See
https://www.cbp.gov/travel/international-visitors/i-94 for more information.