Utah SSN lookup

Area numbers assigned to Utah fell in these old-system blocks: 528-529, 646-647. Use this page to see which prefixes matched Utah and then check an individual number.

This is page 10 of 11. The rows on this page run from 647-22-#### to 647-80-####.

Area number range

528-529, 646-647

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 Utah before you run a full lookup.

Utah area numbers

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

528-529

Areas 528 through 529

646-647

Areas 646 through 647

Utah SSN patterns by year

These rows show the issued area and group combinations linked to Utah. 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
647-22-####	1946	1957	69 to 98 yrs	Valid
647-24-####	1949	1959	67 to 95 yrs	Valid
647-26-####	1952	1961	65 to 92 yrs	Valid
647-28-####	1955	1963	63 to 89 yrs	Valid
647-30-####	1957	1965	61 to 87 yrs	Valid
647-32-####	1960	1966	60 to 84 yrs	Valid
647-34-####	1963	1968	58 to 81 yrs	Valid
647-36-####	1966	1970	56 to 78 yrs	Valid
647-38-####	1969	1972	54 to 75 yrs	Valid
647-40-####	1971	1974	52 to 73 yrs	Valid
647-42-####	1974	1976	50 to 70 yrs	Valid
647-44-####	1977	1978	48 to 67 yrs	Valid
647-46-####	1979	1980	46 to 65 yrs	Valid
647-48-####	1981	1982	44 to 63 yrs	Valid
647-50-####	1983	1984	42 to 61 yrs	Valid
647-52-####	1984	1986	40 to 60 yrs	Valid
647-54-####	1986	1988	38 to 58 yrs	Valid
647-56-####	1987	1990	36 to 57 yrs	Valid
647-58-####	1988	1991	35 to 56 yrs	Valid
647-60-####	1990	1993	33 to 54 yrs	Valid
647-62-####	1992	1994	32 to 52 yrs	Valid
647-64-####	1993	1996	30 to 51 yrs	Valid
647-66-####	1995	1997	29 to 49 yrs	Valid
647-68-####	1998	1999	27 to 46 yrs	Valid
647-70-####	2000	2001	25 to 44 yrs	Valid
647-72-####	2002	2004	22 to 42 yrs	Valid
647-74-####	2004	2004	22 to 40 yrs	Valid
647-76-####	2004	2004	22 to 40 yrs	Valid
647-78-####	2004	2005	21 to 40 yrs	Valid
647-80-####	2005	2005	21 to 39 yrs	Valid

What this page covers

This page covers issued SSN patterns for Utah from 647-22-#### to 647-80-####. If you are scanning older prefixes or comparing issue-year ranges, this gives you a faster way to narrow the search.

Each row represents a valid issued area and group combination under the old system. Open any row to run a full number check and see the likely location and year range.

How to use this page

If an SSN starts with one of the prefixes above, Utah 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: 528-01-0001

Check a Utah SSN

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

More lookup pages

Browse all state lookup pages

Browse the full area number directory