What are the SSN prefixes for New Mexico?

New Mexico was assigned the area-number ranges 525, 585, 648-649. A Social Security number issued there before 2011 begins with one of these three-digit numbers.

Does an SSN starting with 525 mean the person is from New Mexico?

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

Area numbers 525, 585, 648-649

area ranges: 3
lowest area number: 525
highest area number: 649
area numbers: 4

New Mexico was assigned the Social Security area-number ranges 525, 585, 648-649. Before SSA randomized number assignment in June 2011, any SSN beginning with one of these three-digit prefixes was issued in New Mexico, generally based on the mailing address on the application. Newer numbers are assigned randomly and no longer indicate a state.

New Mexico area-number ranges

Area-number range	Count
525	1
585	1
648-649	2

Sample New Mexico SSN patterns

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

Pattern	Estimated issued	Status
525-01-####	1936-1950	Valid
525-03-####	1936-1950	Valid
525-05-####	1936-1950	Valid
525-07-####	1936-1950	Valid
525-09-####	1936-1950	Valid
525-10-####	1936-1950	Valid
525-12-####	1936-1950	Valid
525-14-####	1936-1950	Valid
525-16-####	1936-1950	Valid
525-18-####	1936-1950	Valid
525-20-####	1936-1950	Valid
525-22-####	1936-1950	Valid
525-24-####	1936-1950	Valid
525-26-####	1936-1950	Valid
525-28-####	1936-1950	Valid
525-30-####	1936-1950	Valid
525-32-####	1936-1950	Valid
525-34-####	1936-1950	Valid
525-36-####	1936-1950	Valid
525-38-####	1936-1950	Valid
525-40-####	1936-1950	Valid
525-42-####	1937-1951	Valid
525-44-####	1938-1951	Valid
525-46-####	1939-1952	Valid

Frequently asked questions

What are the SSN prefixes for New Mexico?: New Mexico was assigned the area-number ranges 525, 585, 648-649. A Social Security number issued there before 2011 begins with one of these three-digit numbers.
Does an SSN starting with 525 mean the person is from New Mexico?: For cards issued before June 25, 2011, an SSN whose first three digits fall in New Mexico's range was issued in New Mexico, 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.