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United States Government, Legislative Branch, Senate
The Capitol
Washington, DC 20510

202-224-3121 - voice

Contact 1Kamala D. Harris (D, CA)
Senate President (U.S. VP)
202-224-3121 - voice
Contact 2Senator Patty Murray
President Pro Tempore
(202) 224-5251 - voice
(202) 224-6331- fax
PurposeTo have equal responsibility with the House of Representatives for declaring war, maintaining the armed forces, assessing taxes, borrowing money, minting currency, regulating commerce, and making all laws necessary for the operation of the government and have exclusive authority to advise and consent on treaties and nominations.
ServiceThe Senate is composed of 100 members, two from each state. There are three classes of senators, and a new class is elected every two years. Senators are elected by the people to serve six year terms. Terms begin and end in January after the November election. MARYLAND SENATORS: 1. Benjamin L. Cardin (D), 509 Hart Senate Office Building, Washington, DC 20510, 202-224-4524 or 202-224-1651 (fax); or 100 South Charles Street, Tower 1, Suite 1710, Baltimore, MD 21201, 410-962-4436 or 410-962-4156 (fax). Senator Cardin's Internet site is, and email may be sent through this site. Senator Cardin also has offices in Bowie, Rockville, Salisbury, southern Maryland, and Cumberland. 2. Chris Van Hollen (D), B40C Dirksen Senate Office Building, Washington, DC 20510, 202-224-4654. Senator Van Hollen's Internet site is, and email may be sent through this site.
Last Updated31 January 2023