U.S. Representative · California · District 21

Jim Costa

Democrat

Make your voice heard

Send Jim a physical postcard — printed on heavy cardstock and mailed by USPS First Class to Capitol Hill. It cannot be deleted or filtered like an email.

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Official Contact

Mailing Address

2081 Rayburn House Office Building Washington DC 20515-0521

Phone

202-225-3341

Congressional offices receive tens of thousands of emails per week — filtered, sorted, and often mass-deleted. A postcard is a tangible object that must be physically handled by a staffer, proving you are a real constituent in their district. Learn more →