Using Advanced Search I found Vangrrl's response to me that I had forgotten:
IRS addresses
Internal Revenue Service Center, Austin, Texas
Overseas Filers
Overseas taxpayers filing individual tax returns should mail them to the Austin Service Center:
Internal Revenue Service Center
Austin, Texas 73301-0215
U.S.A.
For private courier services (such as DHL, FedEx, or UPS) only, the following address should be used:
Internal Revenue Service
3651 South Interregional Hwy 35
Austin, Texas 78741
U.S.A.
Attention: Receipt and Processing
Telephone: (512) 460 7944
However, still looking for mailing address for the Kansas City, MO 64999-0202 !!