The mailing address for returning the Unemployment Insurance tax forms UC8, UC8A and payment is.
Lockbox Mailing Address:
DOL UI Tax Lockbox (UC8 & UC8A)
PO Box 5515
Binghamton, NY 13902
Overnight address would be:
JPMorgan Chase
ATTN: DOL UI Tax Lockbox 5515
33 Lewis Rd
Binghamton, NY 13905
These addresses are effective only AFTER June 30, 2021.