Paper: Letter (8.5in x 11in)
PO BOX 2659
CASPER WY 82602-2659
Payable to "Department of Workforce Services"
Apr 30, Jul 31, Oct 31, Jan 31 (month end following the end of the quarter).
To report wages and unemployment tax for the quarter to the state.
Wyoming Department of Workforce Services, Unemployment Tax Division
UI HELP Line: (307) 235-3264
WC Employer Services: (307) 777-6763