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Social Security Online
Consent Based Social Security Number Verification Service (CBSV)
SSA logo: link to Social Security Online home

Hours of Operation

CBSV Information Directory

SSA's CBSV Service
How to Enroll
Terms of Use
How to Connect
Hours of Operation
User Model Agreement
User Guide
CBSV Web Service Documents
Library of CBSV Core Documents
Employee Authorization Form
Form SSA-89

CBSV normally operates during the following hours, but may be available at other times as well:

DayTime
Monday – Friday5:00 a.m. to 1:00 a.m. Eastern Time
Saturday5:00 a.m. to 11:00 p.m. Eastern Time
Sunday8:00 a.m. to 11:30 p.m. Eastern Time

Some CBSV services may not be available on Federal Holidays. View a list of Federal Holidays.

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