Pennsylvania SSN lookup

Area numbers assigned to Pennsylvania fell in these old-system blocks: 159-211. Use this page to see which prefixes matched Pennsylvania and then check an individual number.

Area number range

159-211

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 Pennsylvania before you run a full lookup.

Pennsylvania area numbers

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

159-211

Areas 159 through 211

Pennsylvania SSN patterns by year

These rows show the issued area and group combinations linked to Pennsylvania. 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
159-01-####	1936	1950	76 to 108 yrs	Valid
159-03-####	1936	1950	76 to 108 yrs	Valid
159-05-####	1936	1950	76 to 108 yrs	Valid
159-07-####	1936	1950	76 to 108 yrs	Valid
159-09-####	1936	1950	76 to 108 yrs	Valid
159-10-####	1936	1950	76 to 108 yrs	Valid
159-12-####	1936	1950	76 to 108 yrs	Valid
159-14-####	1936	1950	76 to 108 yrs	Valid
159-16-####	1936	1950	76 to 108 yrs	Valid
159-18-####	1938	1951	75 to 106 yrs	Valid
159-20-####	1940	1953	73 to 104 yrs	Valid
159-22-####	1942	1954	72 to 102 yrs	Valid
159-24-####	1945	1956	70 to 99 yrs	Valid
159-26-####	1947	1958	68 to 97 yrs	Valid
159-28-####	1950	1959	67 to 94 yrs	Valid
159-30-####	1952	1961	65 to 92 yrs	Valid
159-32-####	1955	1963	63 to 89 yrs	Valid
159-34-####	1957	1964	62 to 87 yrs	Valid
159-36-####	1960	1966	60 to 84 yrs	Valid
159-38-####	1962	1968	58 to 82 yrs	Valid
159-40-####	1965	1969	57 to 79 yrs	Valid
159-42-####	1967	1971	55 to 77 yrs	Valid
159-44-####	1969	1973	53 to 75 yrs	Valid
159-46-####	1972	1974	52 to 72 yrs	Valid
159-48-####	1974	1976	50 to 70 yrs	Valid
159-50-####	1977	1978	48 to 67 yrs	Valid
159-52-####	1979	1980	46 to 65 yrs	Valid
159-54-####	1980	1982	44 to 64 yrs	Valid
159-56-####	1982	1984	42 to 62 yrs	Valid
159-58-####	1984	1985	41 to 60 yrs	Valid

How to use this page

If an SSN starts with one of the prefixes above, Pennsylvania 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: 159-01-0001

Check a Pennsylvania SSN

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

More lookup pages

Browse all state lookup pages

Browse the full area number directory