Skip to content
Social Security Online
Social Security Number Verification Service (SSNVS)

SSA logo: link to Social Security Online home 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

RETURNED FILE FORMAT

The returned text file is formatted as defined in the following table:

NOTE: Effective 09/24/11, gender is no longer used as part of the SSN verification process. You do not need to make any changes to the file format. If a value is included in position '54' of a file, we will remove it and replace it with a blank prior to the verification attempt. All returned files will have a blank in position '48.'


Field Name Instruction Position Field Size Field Type
SOCIAL SECURITY NUMBER For security reasons, if the record has a verification code of 3, 6 or is blank, the first five (5) positions will be masked with an "X". 1-9 9 Alphanumeric
LAST NAME Data identical to input provided by the requester. 10-22 13 Alpha
FIRST NAME Data identical to input provided by the requester. 23-32 10 Alpha
MIDDLE
NAME/INITIAL
Data identical to input provided by the requester. 33-39 7 Alpha
DATE OF BIRTH (MMDDYYYY) Data identical to input provided by the requester. 40-47 8 Numeric
BLANK SSA use only. 48 1 Blank

CONFIRMATION


OR

TRACKING NUMBER

16-position number assigned to a file submitted after 08/25/07

or

Eight (8)-position number assigned to a file submitted prior to 08/25/07.
49-83 35 Alphanumeric
USER CONTROL DATA Data identical to input provided by the requester. 84-97 14 Alphanumeric
VERIFICATION CODE Blank = Verified.

1 = SSN not in file (never issued).

3 = Name matches; DOB does not match.

5 = Name does not match; DOB not checked.

6 = SSN did not verify; other reason.
98 1 Blank or Numeric
PROCESSING CODE 214 Data identical to input provided by the requester. 99-101 3 Numeric
REQUESTER IDENTIFICATION CODE Data identical to input provided by the requester. 102-105 4 Alphanumeric
MULTIPLE REQUEST INDICATOR Data identical to input provided by the requester. 106-108 3 Numeric
BLANK SSA use only. 109-120 12 Blanks
DEATH INDICATOR Y = SSA records indicate the number holder is deceased.

N = SSA records indicate the number holder is not deceased.
121 1 Alpha
BLANK SSA use only. 122-130 9 Blanks

 Link to FirstGov.gov: U.S. Government portal Privacy Policy | Website Policies & Other Important Information | Site Map Need Larger Text?