What are the SSN prefixes for Maryland?

Maryland was assigned the area-number range 212-220. A Social Security number issued there before 2011 begins with one of these three-digit numbers.

Does an SSN starting with 212 mean the person is from Maryland?

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

Area numbers 212-220

area range: 1
lowest area number: 212
highest area number: 220
area numbers: 9

Maryland was assigned the Social Security area-number range 212-220. Before SSA randomized number assignment in June 2011, any SSN beginning with one of these three-digit prefixes was issued in Maryland, generally based on the mailing address on the application. Newer numbers are assigned randomly and no longer indicate a state.

Maryland area-number ranges

Area-number range	Count
212-220	9

Sample Maryland SSN patterns

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

Pattern	Estimated issued	Status
212-01-####	1936-1950	Valid
212-03-####	1936-1950	Valid
212-05-####	1936-1950	Valid
212-07-####	1936-1950	Valid
212-09-####	1936-1950	Valid
212-10-####	1936-1950	Valid
212-12-####	1936-1950	Valid
212-14-####	1936-1950	Valid
212-16-####	1936-1950	Valid
212-18-####	1936-1950	Valid
212-20-####	1936-1950	Valid
212-22-####	1936-1950	Valid
212-24-####	1936-1950	Valid
212-26-####	1936-1950	Valid
212-28-####	1936-1950	Valid
212-30-####	1936-1950	Valid
212-32-####	1936-1950	Valid
212-34-####	1936-1950	Valid
212-36-####	1938-1951	Valid
212-38-####	1939-1952	Valid
212-40-####	1940-1953	Valid
212-42-####	1941-1954	Valid
212-44-####	1942-1954	Valid
212-46-####	1944-1955	Valid

Frequently asked questions

What are the SSN prefixes for Maryland?: Maryland was assigned the area-number range 212-220. A Social Security number issued there before 2011 begins with one of these three-digit numbers.
Does an SSN starting with 212 mean the person is from Maryland?: For cards issued before June 25, 2011, an SSN whose first three digits fall in Maryland's range was issued in Maryland, 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.