Capital Hill Office:
U.S. Senate
135 Hart Senate Office Building
Washington, DC 20510-0001
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Phone: (202) 224-3744
Fax: (202) 224-6020
@ChuckGrassley
Website:

State Offices:

Waterloo, IA:
210 Waterloo Building
531 Commercial Street
Waterloo, IA 50701
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Phone: (319) 232-6657
Fax: (319) 232-9965
Cedar Rapids, IA:
111 7th Avenue SE, Box 13
Suite 6800
Cedar Rapids, IA 52401
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Phone: (319) 363-6832
Fax: (319) 363-7179
Sioux City, IA:
120 Federal Building
320 6th Street
Sioux City, IA 51101
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Phone: (712) 233-1860
Fax: (712) 233-1634
Des Moines, IA:
721 Federal Building
210 Walnut Street
Des Moines, IA 50309
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Phone: (515) 288-1145
Fax: (515) 288-5097
Council Bluffs, IA:
307 Federal Building
8 South 6th Street
Council Bluffs, IA 51501
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Phone: (712) 322-7103
Fax: (712) 322-7196
Davenport, IA:
201 West 2nd Street
Suite 720
Davenport, IA 52801
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Phone: (563) 322-4331
Fax: (563) 322-8552