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Oregon SSN lookup

Area numbers assigned to Oregon fell in these old-system blocks: 540-544. Use this page to see which prefixes matched Oregon and then check an individual number.

This is page 16 of 16. The rows on this page run from 544-79-#### to 544-81-####.

Area number range

540-544

Published area blocks tied to this lookup page.

Area count

5

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 Oregon before you run a full lookup.

Oregon area numbers

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

540-544

Areas 540 through 544

Oregon SSN patterns by year

These rows show the issued area and group combinations linked to Oregon. 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
544-79-#### 2010 Unknown 16 to 34 yrs Valid
544-81-#### 2011 Unknown 15 to 33 yrs Valid
What this page covers

This page covers issued SSN patterns for Oregon from 544-79-#### to 544-81-####. 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, Oregon 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: 540-01-0001

Check a Oregon SSN

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

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