What are the SSN prefixes for Kansas?

Kansas was assigned the area-number range 509-515. A Social Security number issued there before 2011 begins with one of these three-digit numbers.

Does an SSN starting with 509 mean the person is from Kansas?

For cards issued before June 25, 2011, an SSN whose first three digits fall in Kansas's range was issued in Kansas, 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 Kansas

Area numbers 509-515

area range: 1
lowest area number: 509
highest area number: 515
area numbers: 7

Kansas was assigned the Social Security area-number range 509-515. Before SSA randomized number assignment in June 2011, any SSN beginning with one of these three-digit prefixes was issued in Kansas, generally based on the mailing address on the application. Newer numbers are assigned randomly and no longer indicate a state.

Kansas area-number ranges

Area-number range	Count
509-515	7

Sample Kansas SSN patterns

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

Pattern	Estimated issued	Status
509-01-####	1936-1950	Valid
509-03-####	1936-1950	Valid
509-05-####	1936-1950	Valid
509-07-####	1936-1950	Valid
509-09-####	1936-1950	Valid
509-10-####	1936-1950	Valid
509-12-####	1936-1950	Valid
509-14-####	1936-1950	Valid
509-16-####	1936-1950	Valid
509-18-####	1936-1950	Valid
509-20-####	1936-1950	Valid
509-22-####	1936-1950	Valid
509-24-####	1936-1950	Valid
509-26-####	1937-1951	Valid
509-28-####	1939-1952	Valid
509-30-####	1941-1953	Valid
509-32-####	1942-1954	Valid
509-34-####	1944-1955	Valid
509-36-####	1946-1957	Valid
509-38-####	1947-1958	Valid
509-40-####	1949-1959	Valid
509-42-####	1951-1960	Valid
509-44-####	1952-1961	Valid
509-46-####	1954-1962	Valid

Frequently asked questions

What are the SSN prefixes for Kansas?: Kansas was assigned the area-number range 509-515. A Social Security number issued there before 2011 begins with one of these three-digit numbers.
Does an SSN starting with 509 mean the person is from Kansas?: For cards issued before June 25, 2011, an SSN whose first three digits fall in Kansas's range was issued in Kansas, 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.