What is the mailing address for federal tax 941 for Wyoming?

For employers in Wyoming filing Form 941, the mailing address is:

Department of the Treasury Internal Revenue Service P.O. Box 932100 Louisville, KY 40293-2100

If you're using a private delivery service, the address is:

Internal Revenue Service 201 W. Rivercenter Blvd. Attn: 932100 Covington, KY 41011