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Social Security Number Verification Service (SSNVS)
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Social Security Number Verification Service (SSNVS) Handbook

SSNVS Handbook (246 KB) Adobe Reader icon

Table of Contents

SSNVS Front Cover
Contact Information
What is SSNVS and BSO?
System Requirements
Security
SSNVS/BSO Availability
Registration
Access to SSNVS
Logging into SSNVS
Using SSNVS
Submission File Format
Returned File Format
SSN Verification Results
Status and Retrieval Options
Status and Retrieval Results
What to Do If an SSN Fails to Verify
Logging Out
SSNVS News
Getting Help
Employer Reporting Information
Maintaining Your Registration Information
Glossary of Terms
Appendix A: Additional Verification Options

CONTACT INFORMATION

Social Security Number Verification Service (SSNVS)
www.ssa.gov/bso/bsowelcome.htm

Employer Reporting Assistance
For help with registering or annual wage reporting, call
1-800-772-6270 (toll free)
or 1-410-965-4241
Monday - Friday
7:00 a.m. to 7:00 p.m. Eastern Standard Time
Or e-mail Social Security at employerinfo@ssa.gov
TDD/TYY call 1-800-201-7165 (toll free)

BSO Technical Assistance
For technical help with using BSO, call
1-888-772-2970 (toll free)
Monday - Friday
8:30 a.m. to 4:00 p.m. Eastern Standard Time

Fax: 1-410-597-0237
E-mail: bso.support@ssa.gov
Caution: Social Security recommends that you not include private information, such as your Social Security Number, in Internet e-mail messages.

General Information
For information about Social Security programs and benefits, call
1-800-772-1213 (toll free)
Monday - Friday
7:00 a.m. to 7:00 p.m. Eastern Standard Time

For General Information TDD/TTY, call 1-800-325-0778 (toll free)


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