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North Dakota SSN lookup

Area numbers assigned to North Dakota fell in these old-system blocks: 501-502. Use this page to see which prefixes matched North Dakota and then check an individual number.

This is page 3 of 5. The rows on this page run from 501-23-#### to 502-42-####.

Area number range

501-502

Published area blocks tied to this lookup page.

Area count

2

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 North Dakota before you run a full lookup.

North Dakota area numbers

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

501-502

Areas 501 through 502

North Dakota SSN patterns by year

These rows show the issued area and group combinations linked to North Dakota. 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
501-23-#### 1999 2000 26 to 45 yrs Valid
501-25-#### 2000 2001 25 to 44 yrs Valid
501-27-#### 2001 2002 24 to 43 yrs Valid
501-29-#### 2002 2004 22 to 42 yrs Valid
501-31-#### 2004 2006 20 to 40 yrs Valid
501-33-#### 2006 2008 18 to 38 yrs Valid
501-35-#### 2008 2010 16 to 36 yrs Valid
501-37-#### 2010 Unknown 16 to 34 yrs Valid
502-01-#### 1936 1950 76 to 108 yrs Valid
502-03-#### 1936 1950 76 to 108 yrs Valid
502-05-#### 1936 1950 76 to 108 yrs Valid
502-07-#### 1936 1950 76 to 108 yrs Valid
502-09-#### 1936 1950 76 to 108 yrs Valid
502-10-#### 1936 1950 76 to 108 yrs Valid
502-12-#### 1936 1950 76 to 108 yrs Valid
502-14-#### 1936 1950 76 to 108 yrs Valid
502-16-#### 1936 1950 76 to 108 yrs Valid
502-18-#### 1936 1950 76 to 108 yrs Valid
502-20-#### 1936 1950 76 to 108 yrs Valid
502-22-#### 1936 1950 76 to 108 yrs Valid
502-24-#### 1936 1950 76 to 108 yrs Valid
502-26-#### 1936 1950 76 to 108 yrs Valid
502-28-#### 1938 1951 75 to 106 yrs Valid
502-30-#### 1939 1952 74 to 105 yrs Valid
502-32-#### 1941 1953 73 to 103 yrs Valid
502-34-#### 1943 1955 71 to 101 yrs Valid
502-36-#### 1944 1956 70 to 100 yrs Valid
502-38-#### 1946 1957 69 to 98 yrs Valid
502-40-#### 1947 1958 68 to 97 yrs Valid
502-42-#### 1949 1959 67 to 95 yrs Valid
What this page covers

This page covers issued SSN patterns for North Dakota from 501-23-#### to 502-42-####. 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, North Dakota 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: 501-01-0001

Check a North Dakota SSN

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

Formats like `001010013` and `001-01-0013` both work.