Anons, just throwing this out there..

https://www.cdc.gov/coronavirus/2019-ncov/php/contact-tracing/contact-tracing-plan/appendix.html#contact

Appendix B - Tips for Locating COVID-19 Cases and Contacts

When the locating information provided for a patient or close contact is insufficient, case investigation and contact tracing may come to an abrupt halt. The following list includes additional resources that may be used to obtain missing locating information and keep the investigation moving forward.

State DMV records

Online people search engines (may incur additional costs)

Health department records

Social media/mobile apps

Following up with the index case to ask for additional locating information on a contact

Jail and other correctional facility records

Property tax records

Frequent shopper cards

Women Infants and Children Program, Food Stamps and other social services records

Online white pages

Google maps

Employment records