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QUORUM KNOWWHO DATA SERVICES

Elected official and staffer data, delivered directly to your systems

Keep records accurate and up to date across platforms with flexible delivery options that help your teams confidently take action with the most reliable information.

KNOWWHO DATA SERVICES FEATURES

The industry’s most trusted source for public official data

Receive regularly refreshed files with up-to-date mailing addresses, phone numbers, emails, and social media profiles for officials and staff at every level of government.

Access detailed information on staffers — including roles, emails, phone numbers, and areas of responsibility — to connect with the right people beyond the lawmakers themselves.

Access data through reliable delivery methods and flexible formatting options tailored to your needs, including CSV files, database exports, and scheduled SFTP drops.

Match stakeholders to the right districts using precise 9-digit ZIP code data for accurate, district-level targeting.

Organize legislators, staff, and contacts with data that enables segmentation by party, chamber, committee, or any other criteria for tailored outreach.

Personalize communications with high-resolution, color photographs of elected officials.

Access verified contact information for all 541 members of Congress, their committees and subcommittees, plus over 13,000 congressional staffers.

Engage with over 37,000 top-level officials across the White House, federal departments, and independent agencies.

Find accurate contact data for more than 19,000 elected officials and staff in state upper and lower chambers.

Connect with 21,000 executive leaders from state-level agencies, departments, and offices nationwide.

Reach over 25,000 elected county officials, covering every U.S. county.

Target more than 36,000 elected officials across 4,500 municipalities with populations over 5,000.