What are the SSN prefixes for New Hampshire?

New Hampshire was assigned the area-number range 001-003. A Social Security number issued there before 2011 begins with one of these three-digit numbers.

Does an SSN starting with 001 mean the person is from New Hampshire?

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

Area numbers 001-003

area range: 1
lowest area number: 001
highest area number: 003
area numbers: 3

New Hampshire was assigned the Social Security area-number range 001-003. Before SSA randomized number assignment in June 2011, any SSN beginning with one of these three-digit prefixes was issued in New Hampshire, generally based on the mailing address on the application. Newer numbers are assigned randomly and no longer indicate a state.

New Hampshire area-number ranges

Area-number range	Count
001-003	3

Sample New Hampshire SSN patterns

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

Pattern	Estimated issued	Status
001-01-####	1936-1950	Valid
001-03-####	1936-1950	Valid
001-05-####	1936-1950	Valid
001-07-####	1936-1950	Valid
001-09-####	1936-1950	Valid
001-10-####	1936-1950	Valid
001-12-####	1936-1950	Valid
001-14-####	1936-1950	Valid
001-16-####	1936-1950	Valid
001-18-####	1936-1950	Valid
001-20-####	1936-1950	Valid
001-22-####	1938-1951	Valid
001-24-####	1940-1953	Valid
001-26-####	1942-1954	Valid
001-28-####	1944-1956	Valid
001-30-####	1946-1957	Valid
001-32-####	1948-1958	Valid
001-34-####	1950-1960	Valid
001-36-####	1952-1961	Valid
001-38-####	1954-1963	Valid
001-40-####	1957-1964	Valid
001-42-####	1959-1965	Valid
001-44-####	1961-1967	Valid
001-46-####	1963-1968	Valid

Frequently asked questions

What are the SSN prefixes for New Hampshire?: New Hampshire was assigned the area-number range 001-003. A Social Security number issued there before 2011 begins with one of these three-digit numbers.
Does an SSN starting with 001 mean the person is from New Hampshire?: For cards issued before June 25, 2011, an SSN whose first three digits fall in New Hampshire's range was issued in New Hampshire, 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.