Please use these addresses and phone numbers for payments and refunds.

Federal Individual Tax Return- Payment
Internal Revenue Service
PO Box 24015
Fresno, CA 93888-0102

Federal Individual Tax Return - Refund
Internal Revenue Service
Fresno, CA 93888-0002

Iowa Individual Income Tax Return - Payment
Iowa Income Tax - Document Processing
PO Box 9187
Des Moines, IA 50306-9187

Iowa Individual Income Tax Return - Refund
Iowa Income Tax - Refund Processing
PO Box 9187
Des Moines, IA 50306-9187