What are the SSN prefixes for Montana?

Montana was assigned the area-number range 516-517. A Social Security number issued there before 2011 begins with one of these three-digit numbers.

Does an SSN starting with 516 mean the person is from Montana?

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

Area numbers 516-517

area range: 1
lowest area number: 516
highest area number: 517
area numbers: 2

Montana was assigned the Social Security area-number range 516-517. Before SSA randomized number assignment in June 2011, any SSN beginning with one of these three-digit prefixes was issued in Montana, generally based on the mailing address on the application. Newer numbers are assigned randomly and no longer indicate a state.

Montana area-number ranges

Area-number range	Count
516-517	2

Sample Montana SSN patterns

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

Pattern	Estimated issued	Status
516-01-####	1936-1950	Valid
516-03-####	1936-1950	Valid
516-05-####	1936-1950	Valid
516-07-####	1936-1950	Valid
516-09-####	1936-1950	Valid
516-10-####	1936-1950	Valid
516-12-####	1936-1950	Valid
516-14-####	1936-1950	Valid
516-16-####	1936-1950	Valid
516-18-####	1936-1950	Valid
516-20-####	1936-1950	Valid
516-22-####	1936-1950	Valid
516-24-####	1936-1950	Valid
516-26-####	1936-1950	Valid
516-28-####	1936-1950	Valid
516-30-####	1938-1951	Valid
516-32-####	1939-1952	Valid
516-34-####	1941-1953	Valid
516-36-####	1942-1954	Valid
516-38-####	1944-1955	Valid
516-40-####	1945-1956	Valid
516-42-####	1947-1957	Valid
516-44-####	1948-1958	Valid
516-46-####	1949-1959	Valid

Frequently asked questions

What are the SSN prefixes for Montana?: Montana was assigned the area-number range 516-517. A Social Security number issued there before 2011 begins with one of these three-digit numbers.
Does an SSN starting with 516 mean the person is from Montana?: For cards issued before June 25, 2011, an SSN whose first three digits fall in Montana's range was issued in Montana, 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.