Originally Posted by oakland

Those waiting from Feb 27th and +-1 week, please start calling the CBSA/GOES numbers and/or send emails to CBP.

If more people bring attention to the abnormal timelines, it might push them to process old pending cases with more urgency.

Email:
https://help.cbp.gov/app/ask

Helpline numbers:
800-842-7647 for CBSA
855-USE-GOES for GOES