What are the SSN prefixes for Indiana?

Indiana was assigned the area-number range 303-317. A Social Security number issued there before 2011 begins with one of these three-digit numbers.

Does an SSN starting with 303 mean the person is from Indiana?

For cards issued before June 25, 2011, an SSN whose first three digits fall in Indiana's range was issued in Indiana, usually based on the mailing address on the application, not necessarily birthplace. Numbers issued after randomization carry no location meaning.

How can I check a specific number?

Use the SSN checker to enter a full number and see whether its structure is valid, which state it maps to, and a rough estimate of when it was issued.

Social Security Number Prefixes for Indiana

Area numbers 303-317

area range: 1
lowest area number: 303
highest area number: 317
area numbers: 15

Indiana was assigned the Social Security area-number range 303-317. Before SSA randomized number assignment in June 2011, any SSN beginning with one of these three-digit prefixes was issued in Indiana, generally based on the mailing address on the application. Newer numbers are assigned randomly and no longer indicate a state.

Indiana area-number ranges

Area-number range	Count
303-317	15

Sample Indiana SSN patterns

Estimated issue years for the lowest area/group combinations (illustrative):

Pattern	Estimated issued	Status
303-01-####	1936-1950	Valid
303-03-####	1936-1950	Valid
303-05-####	1936-1950	Valid
303-07-####	1936-1950	Valid
303-09-####	1936-1950	Valid
303-10-####	1936-1950	Valid
303-12-####	1936-1950	Valid
303-14-####	1936-1950	Valid
303-16-####	1936-1950	Valid
303-18-####	1936-1950	Valid
303-20-####	1936-1950	Valid
303-22-####	1936-1950	Valid
303-24-####	1936-1950	Valid
303-26-####	1937-1950	Valid
303-28-####	1938-1951	Valid
303-30-####	1940-1953	Valid
303-32-####	1941-1954	Valid
303-34-####	1943-1955	Valid
303-36-####	1945-1956	Valid
303-38-####	1946-1957	Valid
303-40-####	1948-1958	Valid
303-42-####	1950-1959	Valid
303-44-####	1951-1960	Valid
303-46-####	1953-1961	Valid

Frequently asked questions

What are the SSN prefixes for Indiana?: Indiana was assigned the area-number range 303-317. A Social Security number issued there before 2011 begins with one of these three-digit numbers.
Does an SSN starting with 303 mean the person is from Indiana?: For cards issued before June 25, 2011, an SSN whose first three digits fall in Indiana's range was issued in Indiana, usually based on the mailing address on the application, not necessarily birthplace. Numbers issued after randomization carry no location meaning.
How can I check a specific number?: Use the SSN checker to enter a full number and see whether its structure is valid, which state it maps to, and a rough estimate of when it was issued.

Check a specific number with the SSN checker, or see all states.