New Mexico SSN lookup

Area numbers assigned to New Mexico fell in these old-system blocks: 525, 585, 648-649. Use this page to see which prefixes matched New Mexico and then check an individual number.

Area number range

525, 585, 648-649

Published area blocks tied to this lookup page.

Area count

Distinct area numbers in this assignment block.

What this page tells you

Location match

Use these prefixes to see whether the first three digits point to New Mexico before you run a full lookup.

New Mexico area numbers

The first three digits of an old-style SSN could point to New Mexico when they fell inside one of these published ranges.

525

Area 525

585

Area 585

648-649

Areas 648 through 649

New Mexico SSN patterns by year

These rows show the issued area and group combinations linked to New Mexico. Open any pattern as a full lookup by swapping in the last four digits.

Social Security number	First year	Last year	Likely age today	Status
525-01-####	1936	1950	76 to 108 yrs	Valid
525-03-####	1936	1950	76 to 108 yrs	Valid
525-05-####	1936	1950	76 to 108 yrs	Valid
525-07-####	1936	1950	76 to 108 yrs	Valid
525-09-####	1936	1950	76 to 108 yrs	Valid
525-10-####	1936	1950	76 to 108 yrs	Valid
525-12-####	1936	1950	76 to 108 yrs	Valid
525-14-####	1936	1950	76 to 108 yrs	Valid
525-16-####	1936	1950	76 to 108 yrs	Valid
525-18-####	1936	1950	76 to 108 yrs	Valid
525-20-####	1936	1950	76 to 108 yrs	Valid
525-22-####	1936	1950	76 to 108 yrs	Valid
525-24-####	1936	1950	76 to 108 yrs	Valid
525-26-####	1936	1950	76 to 108 yrs	Valid
525-28-####	1936	1950	76 to 108 yrs	Valid
525-30-####	1936	1950	76 to 108 yrs	Valid
525-32-####	1936	1950	76 to 108 yrs	Valid
525-34-####	1936	1950	76 to 108 yrs	Valid
525-36-####	1936	1950	76 to 108 yrs	Valid
525-38-####	1936	1950	76 to 108 yrs	Valid
525-40-####	1936	1950	76 to 108 yrs	Valid
525-42-####	1937	1951	75 to 107 yrs	Valid
525-44-####	1938	1951	75 to 106 yrs	Valid
525-46-####	1939	1952	74 to 105 yrs	Valid
525-48-####	1940	1953	73 to 104 yrs	Valid
525-50-####	1941	1954	72 to 103 yrs	Valid
525-52-####	1942	1954	72 to 102 yrs	Valid
525-54-####	1943	1955	71 to 101 yrs	Valid
525-56-####	1944	1956	70 to 100 yrs	Valid
525-58-####	1945	1956	70 to 99 yrs	Valid

How to use this page

If an SSN starts with one of the prefixes above, New Mexico is a likely issue location under the old system.

To check the number further, run the full nine digits through the checker. The result page can then tell you whether the group fits the published record and what year range the number most likely falls into.

Example old-style prefix for this page: 525-01-0001

Check a New Mexico SSN

Enter a full SSN to check whether it fits the old record for New Mexico.

More lookup pages

Browse all state lookup pages

Browse the full area number directory