1850 Gateway Dr. Suite 500
San Mateo, CA 94404
Main: (650) 592-3800
Sales: (800) 466-5303
Careers/Jobs: (888) 493-3184
Guckenheimer utilizes The Work Number® by Equifax to complete all requests for verification of employment and income for our employees. To obtain proof of employment or income via The Work Number, you will need:
- Guckenheimer’s employer code: 16677
- The employee’s Social Security Number
- A permissible purpose for accessing the information, as defined by the Fair Credit Reporting Act
- Direct employee consent, if income or salary information is needed
- Credentialed access to use The Work Number
For more information on accepted permissible purposes and using The Work Number, please visit (www.theworknumber.com/verifiers), or call The Work Number client service center at 1-800-367-5690.
For Social Service Verifications:
For Federal, State, Local Agencies needing employment and income information to determine eligibility for social benefits, please visit (www.theworknumber/socialservices) or call 1-800-660-3399 for more information on registering with and using the Work Number service.